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Oma (Greek) - Morbid growth, mass, tumor
113 terms share this root
Adenoid Cystic Carcinoma

"Cancer" "tumor" arising "from" "glands"

  • Aden (Greek) - Gland
  • Oides (Greek) - From, like
  • Cystis (Latin) - Bladder, sac
  • Karkinos (Greek) - Cancer, crab
  • Oma (Greek) - Morbid growth, mass, tumor
  • Most often occurs in the head and neck region, particularly the salivary glands
  • Third most common malignant salivary gland tumor overall
  • Adenoma

    A benign "mass" of "glandular" tissue.

    • Aden (Greek) - Gland
    • Oma (Greek) - Morbid growth, mass, tumor
  • Benign tumor

  • MedyQuestion
    • A 26 year old woman presents to her primary care physician complaining of an inability to see in her peripheral view. On exam, you notice the patient’s shirt appears to be wet over the breasts bilaterally. On questioning, she reveals that she has had a white substance coming from her breasts in the recent few weeks and that she regularly needs to change her bra and shirt. What is the best non-surgical treatment for this patient’s condition?

    USMLE Step 1

    Adenomatoid odontogenic tumor

    A "tumor" arising from a "gland" "like" structure (enamel organ/dental lamina) that "produces" part of a developing "tooth"

    • Aden (Greek) - Gland
    • Oma (Greek) - Morbid growth, mass, tumor
    • Oides (Greek) - From, like
    • Odous (Greek) - Tooth
    • Gene (French) - Something that produces
    • Ic (Latin) - In manner of
    • Tumere (Latin) - To swell
  • Uncommon
  • Occurs more in females
  • Occurs more often in the anterior maxilla
  • Often associated with an impacted tooth
  • Adenomyoma

    A "mass" composed of "glands" and muscle tissue. Muscles were originally described as "mice" under the skin.

    • Aden (Greek) - Gland
    • Mus (Greek) - Muscle, mouse
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most commonly seen in the uterus
  • Usually asymptomatic, but can be associated with dysmenorrhea and pelvic or abdominal pain
  • Adult tcell lymphoma

    A "mass" of an immune cell line that lives in the "clear liquid" of the body, that primarily arises in adults, or those who have "grown to maturity".

    • Adolescere (Latin) - To Grow to Maturity
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • Commonly associated with EBV virus or HTL Virus
  • Amelo fibro odontoma

    A mixed "tumor" of "enamel" and dentin (including collagen "fibers"), thus the structures present resemble those of a normal "tooth"

    • Amelo (English) - Emel
    • Fibra (Latin) - A fiber, filament, entrail
    • Odous (Greek) - Tooth
    • Oma (Greek) - Morbid growth, mass, tumor
  • Occurs in the second decade of life
  • Usually in the posterior mandible
  • May prevent tooth eruption, causing tooth impaction
  • Curettage is usually curative
  • Aka Ameloblastic fibroodontoma
  • It's like an ameloblastic fibroma but has enamel and dentin (hence the "odontoma" in the me)
  • Shows as 'donut shaped' calcifications on a radiograph
  • Ameloblastoma

    A benign "mass" composed of "enamel"producing "germ" cells

    • Amelo (English) - Emel
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • An odontogenic tumor comprised of ameloblasts
  • Usually occur in the posterior regions of the mandible
  • Most common in males in the 4th decade
  • Can be locally aggressive and invasive
  • Typically have a 'honey comb' or 'soap bubble' radiographic appearance
  • Androblastoma

    A "mass" of "budding cells" that produce hormones that "make a man".

    • Andro (Greek) - Man, male
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • A sex cord tumor of the testicles and ovaries
  • Produces high amounts of testosterone leading to masculine features in women
  • Acne
  • Hirsutism
  • Also known as a Sertolileydig tumor, as the etymology suggests, the me tumor secretes testosterone making women appear masculine.
  • Angiofibroma

    Small "masses or growths" composed of "blood vessels" and "a fiber"ous material.

    • Angeion (Greek) - A vessel, receptacle
    • Fibra (Latin) - A fiber, filament, entrail
    • Oma (Greek) - Morbid growth, mass, tumor
  • Small skin colored papules present on the nose and cheeks.
  • Composed of fibrous tissue.
  • Angiomyolipoma

    A "mass or growth" made of "muscle", "fat" and "blood vessels".

    • Angeion (Greek) - A vessel, receptacle
    • Myo (Greek) - Muscle
    • Lipos (Greek) - Fat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most common benign tumor of the kidney
  • Associated heavily with Tuberous Sclerosis
  • Angiosarcoma

    A malignant "mass or growth" of "flesh", usually in the form of endothelial cells, and of "blood vessels".

    • Angeion (Greek) - A vessel, receptacle
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Vinyl Chloride exposure leads to angiosarcoma of the liver and is often times fatal.
  • Due to their direct position within the blood vessel itself, this type of cancer leads to early metastasis beyond its original site of growth.
  • Bacillary Angiomatosis

    A "disease" caused by the "stick"shaped Bartonella, in which blood "vessels" form "tumor"like masses in the skin and other organs.

    • Baculum (Latin) - Stick
    • Angeion (Greek) - A vessel, receptacle
    • Oma (Greek) - Morbid growth, mass, tumor
    • Osis (Greek) - A condition, disease
  • Caused by either Bartonella henselae or Bartonella quinti
  • Burkitt's Lymphoma

    Cancer of the "watery" lymphatic system that creates a "tumor" full of Bcells

    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • CD20+
  • Associated with EBV virus
  • Jaw lesion in endemic African form, abdominal lesion in sporadic form starry sky appearance on microscopy, t(8, 14) translocation where cmyc protooncogene translocate to chromosome 14.
  • Think of all of the B's
  • Burkitt's lymphoma involves B cells and the African type is associated with the EpsteinBarr Virus
  • Carcinoma

    "Cancerous" "tumor" originating from epithelial cells

    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • Spread lymphatically with the exception of renal cell carcinoma, hepatocellular carcinoma, follicular carcinoma of the thyroid and choriocarcinoma
  • Carcinoma in situ

    "cancerous" "tumor" cells that do not invade the basement membrane and grow "in their normal place"

    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
    • In situe (Latin) - In its place or position
  • Some common examples include cervical intraepithelial neoplasia, ductal carcinoma in situ, Bowen's disease, colon polyps and bronchioloalveolar carcinoma
  • Carcinoma in situ

    A "cancer" "tumor" that is held "in its position/place"

    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
    • In situe (Latin) - In its place or position
  • A malignant new growth localized in the epithelium, showing no tendency of invasion or metastasize to other host tissues
  • Will show dysplastic epithelium and malignant cell transformation throughout the full length of the epithelium, but does not penetrate the basal epithelial layer
  • "Cancer in you" that hasn't spread to other areas in your body
  • Carcinoma in situ

    A "cancer" "tumor" that is held "in its position/place"

    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
    • In situe (Latin) - In its place or position
  • A malignant new growth localized in the epithelium, showing no tendency of invasion or metastasize to other host tissues
  • Will show dysplastic epithelium and malignant cell transformation throughout the full length of the epithelium, but does not penetrate the basal epithelial layer
  • "Cancer in you" that hasn't spread to other areas in your body
  • Carcinomatosis

    A "conditiion" in which one develops many "cancerous" "growths" after the primary cancer dessimnates throughout the body.

    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
    • Osis (Greek) - A condition, disease
  • A form of disseminated cancer
  • Often times pertaining only to cancers of epithelial cell origin
  • Cavernous hemangioma

    Benign, slow growing "tumors" derived from dilated "blood" "vessels" causing "hollow spaces" filled with blood

    • Cavus (Latin) - Hollow, Space
    • Haima (Greek) - Blood
    • Angeion (Greek) - A vessel, receptacle
    • Oma (Greek) - Morbid growth, mass, tumor
  • Common in von HippelLandau disease
  • Biopsy contraindicated due to risk of hemorrhage
  • Cementoblastoma

    A "tumor" of cementoblasts (cells which "germinate" "cementum")

    • Caementum (Greek) - Rough stone
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • This tumor is a round mass of cementum or cementumlike tissue growing out of a tooth root. It contains cementoblasts.
  • Radio graphically it is radiopaque, wellcircumscribed, and encircled by a radiolucent border. It may have a sunburst appearance.
  • Cephalohematoma

    A condition in which part of the "head" of a newborn baby accumulates a "mass" of "blood."

    • Kephale (Greek) - Head
    • Haima (Greek) - Blood
    • Oma (Greek) - Morbid growth, mass, tumor
  • Contrast this with caput succedaneum, in which the bleeding crosses the suture lines.
  • Chondrosarcoma

    A malignant "tumor" of "cartilage" cells that can occur in different parts of the skeleton.

    • Chondros (Greek) - Cartilage
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Cancer, tumor, cartilage, axial skeleton, hip bones, spine, rib cage, older people
  • Chondrosarcoma is the second most common type of bone cancer. Sarcoma refers to origin in mesenchymal tissue.
  • Choristoma

    A "mass" of normal cells "separated" from their normal location into a place where they would not normally be present.

    • Choristos (Greek) - Separated
    • Oma (Greek) - Morbid growth, mass, tumor
  • A tumor consisting of normal tissue that is found in the wrong location
  • Different from hamartoma, which is a benign tumor of abnormallooking cells, but composed of cells normally found in that region
  • Chrondrosarcoma

    A malignant "fleshy" "mass" composed of "cartilage".

    • Chondros (Greek) - Cartilage
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Increased risk in Ollier's disease and Paget's disease
  • Comedocarcinoma

    A noninvasive "cancer" that "eats" away at tissue centrally, producing a central necrosis.

    • Comedere (Latin) - To consume
    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • Ductal carcinoma in situ, earlystage, intraductal, noninfiltrating, cordlike calcification, cheesylike material
  • Earlystage breast cancer (ductal carcinoma in situ) that is intraductal and noninfiltrating and which demonstrates central necrosis with calcification of the duct that feels cordlike and yields a cheesylike material when squeezed.
  • The ducts fill with plugs of tumor growth, which squeezed out as sebum (yellow, cheeselike material). This is the most aggressive of intraductal carcinomas.
  • Craniopharyngioma

    A benign "mass" in the "head" or "throat".

    • Kranion (Greek) - Head, Skull
    • Pharynx (Greek) - Throat, windpipe
    • Oma (Greek) - Morbid growth, mass, tumor
  • Aka Rathke pouch tumors, hypophyseal duct tumors, pituitary gland
  • A typically benign brain tumor derived from the pituitary gland embryonic tissue
  • It is most common is childhood and adolescence and then again common in 50 60 year olds.
  • Cystic hygroma

    A "fluid filled" "mass" that appears in newborns.

    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Hygros (Greek) - Moist
    • Oma (Greek) - Morbid growth, mass, tumor
  • Cystlike cavities
  • Lymphangioma
  • Turner's syndrome
  • Noon syndrome
  • Abnormal growths that resemble fluid filled cystlike cavities that appear on a newborn's head and neck. The most common form of lymphangioma. Benign and rarely presents in adulthood. Associated with Turner's syndrome or with Noon syndrome (male Turner's).
  • A German writing from the 18th century about the disease translated: "Woe to the child who tastes salty from a kiss on the brow, for he is cursed and soon must die,"
  • Desmoplastic ameloblastoma

    A rare, "fastened," benign "formation/tumor" of the "enamel" cell "buds" (i.e. the odontogenic epithelium)

    • Desmos (Greek) - Bond, Chain, Fastening
    • Plassein (Greek) - To mold or form
    • Amelo (English) - Emel
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • One of the 6 histopathological subtypes of Ameloblastoma
  • Has a mixed lucentopaque radiographic appearance
  • Represents about 9% of all ameloblastomas encountered
  • Diffuse large bcell lymphoma

    A "wide" or big "mass" of "B" cells that inhabit the "clear water" of the body.

    • Diffuse (Latin) - To Pour Out or Away
    • Large (Old French) - Broad, wide; generous, bounteous
    • Beta (Greek) - The me of the second letter of the Greek alphabet, Indicator of the second
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • A cancer of B cells, a type of white blood cell responsible for producing antibodies
  • Characterized by lymphocytes with round nuclei and fine chromatin
  • The cells are basophilic and lymphoblastic.
  • Diffuse large Bcell lymphoma it is the most common type of nonHodgkin lymphoma among adults
  • Dysgerminoma

    Think "bad germ cells".

    • Dys (Greek) - Bad, Ill, Abnormal, Evil
    • Germen (Latin) - Sprout
    • Oma (Greek) - Morbid growth, mass, tumor
  • A malignant ovarian germ cell tumor.
  • Endometrioma

    "Morbid growth" "within" the "womb."

    • Endon (Greek) - Within, Inside, Interl
    • Metrium (Latin) - Womb
    • Oma (Greek) - Morbid growth, mass, tumor
  • Endometriosis
  • Ovary
  • Eosinophilic granuloma

    "Seed"like lesions on the skin composed of "dawn" colored cells.

    • Eos (Greek) - Dawn
    • Philein (Greek) - To love
    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
  • Benign form of Langerhans cell histiocytosis
  • May present as lytic bone lesions that could potentially cause bone pain and fracture
  • Presents in cats as skin diseases
  • Ependymoma

    "Tumor" of the cells that line the "upper storeroom" within the head and spinal cord.

    • Ependyma (Greek) - An Upper Garment
    • Oma (Greek) - Morbid growth, mass, tumor
  • Common in the fourth ventricle
  • Histologically organized as perivascular rosettes
  • Epidural hematoma

    A "mass" of "blood" accumulating "above" the "hard" surface of the skull.

    • Epi (English) - Above, Upon
    • Durus (Latin) - Hard
    • Haima (Greek) - Blood
    • Oma (Greek) - Morbid growth, mass, tumor
  • Associated with temporal bone fracture and tear of the middle meningeal artery
  • Lens shape on CT scan
  • Lucid interval immediately after trauma that leads to unconsciousness

  • MedyQuestion
    • A 62 year old man is brought into the emergency room after being struck in the head with blackjack during a robbery. The patient was found unconscious by paramedics. In the van, the patient regained consciousness, able to recall the assault. During your interview of the patient, he begins to become somnolent, and then become unresponsive. A rapid response is called and patient is rushes to CT. Rupture of the which artery lead to this patient’s condition?

    USMLE Step 1

    • A 62 year old man is brought into the emergency room after being struck in the head with blackjack during a robbery. The patient was found unconscious by paramedics. In the van, the patient regained consciousness, able to recall the assault. During your interview of the patient, he begins to become somnolent, and then become unresponsive. A rapid response is called and patient is rushes to CT. What classic sign would you expect to see on imaging?

    USMLE Step 1

    Ewing sarcoma

    Painful, malignant small round blue cell neuroectodermal tumor found in bone or soft tissue

    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Usually in teenagers and young adults
  • Periosteal reaction
  • Onion skin lesion on xray
  • Commonly found in diaphysis of femur
  • Most due to t(11:22)
  • First described by James Ewing
  • Fibroadenoma

    Benign, "glandular", "fiber"like breast "tumors" usually found in young women.

    • Fibra (Latin) - A fiber, filament, entrail
    • Aden (Greek) - Gland
    • Oma (Greek) - Morbid growth, mass, tumor
    Fibroma

    Benign "fibrous" connective tissue "tumor.'

    • Fibra (Latin) - A fiber, filament, entrail
    • Oma (Greek) - Morbid growth, mass, tumor
  • Benign ovarian neoplasm
  • Fibromatosis

    "Condition" of benign "fibrous" soft tissue "tumors" that can be very locally aggressive.

    • Fibra (Latin) - A fiber, filament, entrail
    • Oma (Greek) - Morbid growth, mass, tumor
    • Osis (Greek) - A condition, disease
  • Can be associated with familial adenomatous polyposis (FAP)
  • Fibrosarcoma

    Malignant mesenchymal "tumor" in the "flesh" and originates in "fibrous" tissue of the bone.

    • Fibra (Latin) - A fiber, filament, entrail
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Softtissue tumor or bone tumor common around knee and femur
  • Follicular lymphoma

    A "mass" of cells usually found in the "clear" liquid of the blood found within "little bags" of the lymph nodes

    • Folliculus (Latin) - Little bag
    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • Bcl2 overexpression
  • May present as painless lymphadenopathy
  • Glaucoma

    An occular condition characterized by the development of "blueish grey" "mass" like appearance in the eye.

    • Glaukos (Greek) - Bluish green, bluish grey
    • Oma (Greek) - Morbid growth, mass, tumor
  • Increased pressure from increased volume of aqueous humor or blocked trabecular meshwork
  • May lead to permanent nerve damage and blindness
  • Differentiated between open and closed angle glaucoma
  • Etymological origin of "glaucoma" was coined to describe cataracts, as the two had not been distinguished yet.
  • Glioblastoma multiforme

    • Glia (Greek) - Glue
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
    • Multus (Latin) - Much, many
    • Forma (Latin) - Form
  • Ringenhancing lesions
  • Seen in adults more so than children
  • Butterfly lesion that crosses the corpus callosum
  • Pseudopalisading necrosis
  • The me is derived from the fact that this type of tumor arises from glial cell precursors and causes necrosis, cyst like structures and bleeding hence the me multiforme.
  • Granuloma

    A "seed"like "mass" composed of macrophages.

    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
  • An organized balllike collection of "epithelioid" macrophages that have elongated nuclei and appear similar to epithelial cells
  • Seen in tuberculosis, leprosy, histoplasmosis, and other infections
  • Occurs when the immune system attempts to walloff a foreign body that it can not eliminate
  • Similar to a jailcell containing a foreign body (prisoner) with the "epithelioid" macrophages acting as the jailcell bars
  • Granulomatosis with polyangiitis

    "Seed"like "inflammation" of "multiple" "blood vessels".

    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
    • Polloi (Greek) - Many
    • Angeion (Greek) - A vessel, receptacle
    • Itis (Greek) - Inflammation, pertaining to disease
  • Affects the nasopharynx, lung, and kidneys
  • May be diagnosed by presence of PR3ANCA/cANCA
  • Triad of necrotizing vasculitis, necrotizing glomerulonephritis, and necrotizing granulomas in the lung
  • May present clinically with hemoptysis, hematuria, and saddlenose deformity
  • Originally known as Wegener's Granulomatosis, the me has been changed to granulomatosis with polyangiitis due to Wegener's Nazi past.
  • Granulomatous

    A term that means characterized by "seedlike" "masses".

    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
    Hamartoma

    Benign "tumor" that consists of cells or tissue that are normally found in that "bodily" location.

    • Hamartion (Greek) - A bodily defect
    • Oma (Greek) - Morbid growth, mass, tumor
  • Associated with tuberous sclerosis and PeutzJeghers syndrome
  • Heamartoma

    A disorganized "tumor" of nonmalignant cells, resulting from "faulty" development.

    • Hamartia (Greek) - Sin, pity, crime
    • Oma (Greek) - Morbid growth, mass, tumor
  • While the growth can be disfiguring or impinge on normal structures, the tissue itself is normal (cells have normal growth pattern) and is located where the tissue normally grows (normal location).
  • An example is a hemangioma
  • Hemangioblastoma

    CNS "tumor or mass" that originates from "budding" cells of "blood vessels".

    • Haima (Greek) - Blood
    • Angeion (Greek) - A vessel, receptacle
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • Associated with VHL syndrome
  • May produce EPO
  • Hemangioma

    A benign "tumor or mass" composed of "blood" "vessels".

    • Haima (Greek) - Blood
    • Angeion (Greek) - A vessel, receptacle
    • Oma (Greek) - Morbid growth, mass, tumor
  • Characterized as raised red lesions
  • Found on children's faces as strawberry hemangiomas
  • Regress spontaneously in children
  • Liver hemangiomas contraindicated for biopsy due to risk of hemorrhage
  • Associated with SturgeWeber syndrome and VHL syndrome
  • Literally Named blood vessel tumor
  • Hereditary Gingival Fibromatosis

    Benign fibrous enlargement of keratinized gingiva

    • Hereditatem (Latin) - Heirship, inheritance, condition of being an heir
    • Gingiva (Latin) - Gums
    • Fibra (Latin) - A fiber, filament, entrail
    • Oma (Greek) - Morbid growth, mass, tumor
    • Osis (Greek) - A condition, disease
  • Also known as Idiopathic Gingival hyperplasia
  • Hodgkin lymphoma

    Lymph node tumor localized to a single group of nodes

    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • Characterized by ReedSternberg cells
  • Presents in a bimodal distribution
  • Associated with EBV
  • Symptoms include the classic B signs of lowgrade fever, night sweats, and weight loss
  • Hodgkin's lymphoma was discovered by Thomas Hodgkin while he was a museum curator at a hospital.
  • Immature teratoma

    A rare type of "monstrous" "tumor" derived from cells that are in the early stages of development, specifically cells that give rise to egg and sperm (germ cells)

    • Terato (Greek) - Marvel, monster
    • Oma (Greek) - Morbid growth, mass, tumor
  • Aggressive
  • Contains fetal tissue
  • Neuroectoderm
  • Malignant ovarian neoplasm
  • Intraductal papilloma

    A small, benign "tumor" that grows "within" the milk "duct" of the breast. These tumors grow and "swell" into fingerlike projections.

    • Intra (Latin) - On the inside, within
    • Ducere (Latin) - To Lead
    • Papula (Latin) - Pimple, swelling, pustule
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most commonly occurs in women age 3545 and most commonly presents with greenish, bloody discharge
  • They generally do not show up on mammography due to their small size, so the next step in treatment would be a galactogram to guide the subsequent biopsy.
  • Kaposi sarcoma

    A tumor caused by human herpesvirus 8 is a systemic disease that can present with cutaneous lesions with or without internal involvement.

    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • It was originally described by Moritz Kaposi, a Hungarian dermatologist practicing at the University of Vienna in 1872. It became more widely known as one of the AIDSdefining illnesses in the 1980s. The viral cause for this cancer was discovered in 1994.
  • Keratoacanthoma

    A common lowgrade skin "tumor" that originates from the neck of the hair follicle, and is considered a type of squamous cell carcinoma. It sticks out of the skin, like a "spine" and it is capped with "keratin" particles.

    • Keras (Greek) - Horn
    • Acanthus (Greek) - Point, Thorn, Spine
    • Oma (Greek) - Morbid growth, mass, tumor
  • Dome shaped tumor of the skin.
  • Large cell carcinoma

    This is an undifferentiated malignant neoplasm originating from epithelial cells in the lung.

    • Large (Old French) - Broad, wide; generous, bounteous
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • This neoplasm is different from small cell carcinoma because of larger size of the aplastic cells, a higher cytoplasmictonuclear size ratio, and a lack of saltandpepper chromatin.
  • Laryngeal papilloma

    A rare medical condition caused by a HPV infection of the throat (or "larynx").

    • Laryngeus (Latin) - Relating to the larynx, the upper windpipe
    • Papilla (Latin) - Nipple
    • Oma (Greek) - Morbid growth, mass, tumor
  • This can cause assorted "tumors" or "papillomas" to develop over an extended period of infection. Without treatment it is potentially fatal as uncontrolled growths could obstruct the airway.
  • Leiomyoma

    A benign "tumor" in "smooth" "muscle."

    • Leios (Greek) - Smooth
    • Myo (Greek) - Muscle
    • Oma (Greek) - Morbid growth, mass, tumor
  • A uterine fibroid is a leiomyoma of the uterus
  • White whorled masses
  • Well defined
  • Leiomyosarcoma

    A malignant "tumor" in the "flesh" or "smooth" "muscle."

    • Leios (Greek) - Smooth
    • Mus (Greek) - Muscle, mouse
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Not well defined
  • Hemorrhagic look on cross section
  • Lipoma

    A "tumor or mass" of "fat."

    • Lipos (Greek) - Fat
    • Oma (Greek) - Morbid growth, mass, tumor
    Liposarcoma

    A malignant tumor of the "fatty" "flesh".

    • Lipos (Greek) - Fat
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
    Lymphangiosarcoma

    A "tumor" in the "flesh" of the "clear water" "vessels."

    • Lympha (Latin) - Water, clear water, a goddess of water
    • Angeion (Greek) - A vessel, receptacle
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
    Lymphoma

    A ""tumor or mass" of the "cells" that live in the "clear water" system of the body, namely B and T cells.

    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • The two main categories of lymphomas are Hodgkin's and non Hodgkin's lymphoma.
  • Mature cystic teratoma

    "Monstrous" ovarian "bladdershaped" "mass" composed of cell types derived from at least two different germ layers.

    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Terato (Greek) - Marvel, monster
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most common ovarian neoplasm
  • Medulloblastoma

    A "growth" of "budding cells" from the "marrow or pith" in the brain.

    • Medulla (Latin) - Bone marrow, pith
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • Highly malignant
  • Shows drop metastases, homerwright rosettes, small blue cells
  • Causes hydrocephalus
  • Neuroectodermal origin
  • Melanoma

    "Dark" skin tumor "growth", highly malignant.

    • Melas (Greek) - Dark, black, murky
    • Oma (Greek) - Morbid growth, mass, tumor
  • S100+
  • Increased risk for fairskinned persons
  • Depth correlates with metastasis
  • ABCDEs asymmetry, border irregularity, color variation, diameter > 6mm, Evolution
  • BRAF kinase mutation, vemurafenib is treatment

  • Mnemonics
    The ABCDEs of Melanoma
    Moles: signs of trouble
    Asymmetry, Border irregular, Colour irregular, Diameter usually > 0.5 cm, Elevation irregular
    For melanoma, just remember your ABCDEs!
    The characteristics of melanoma
    Asymmetrical shape, Borders that are irregular, Color (more than one), Diameter more than 6mm, Evolution as the lesion gets bigger
    Meningioma

    "Growth" in the out "membranes" of the brain.

    • Meninx (Greek) - Membrane
    • Oma (Greek) - Morbid growth, mass, tumor
  • Spindle cells in whorled pattern
  • Extraaxial (external to brain parenchyma)
  • May present with seizures or focal signs
  • Mesothelioma

    Malignant "growth" of "chest" pleura associated with asbestosis

    • Mesos (Greek) - Middle, in the middle, in between
    • Thele (Greek) - Nipple, teat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Can lead to hemorrhagic pleural effusions and pleural thickening
  • Psammoma bodies
  • Even with asbestos exposure, patients are at greater risk of bronchogenic carcinoma
  • Multiple myeloma

    A “tumor” of the “marrow” of white blood cells resulting in increased “multiple” antibody production

    • Multiplus (Latin) - Multiple
    • Muelos (Greek) - Marrow
    • Oma (Greek) - Morbid growth, mass, tumor
  • Symptoms of this may include loss of kidney function, bone lesions, and hypercalcemia
  • M spike, myeloma kidney, BenceJones protein, osteolytic lesions, RANKL,

  • Medytoons
    Mycetoma

    An inflammation or "mass" caused by a "fungal" infection.

    • Myces (Greek) - Fungus
    • Oma (Greek) - Morbid growth, mass, tumor
  • Commonly seen in lung tissue and usually an aspergillus species, is acquired by inhaling spores, the fungus forms a ball in an already present cavity in the lung that is usually the result of another pathology such as Tuberculosis, commonly seen in immunocompromised patients, will appear as a ball on chest xray
  • Myxoma

    "Growth" of scattered "mucus" cells in a mucopolysaccharide stroma.

    • Muxa (Greek) - Mucus
    • Oma (Greek) - Morbid growth, mass, tumor
  • Commonly found in left atrium as a pedunculated mass that occasionally plops into the mitral valve causing blockage and syncope
  • Cardiac tumor, recurrent syncope, left atrial mass
  • Nasopharyngeal carcinoma

    Polypoid "cancerous" "growth" in "nose" and "throat".

    • Nasus (Latin) - Nose
    • Pharynx (Greek) - Throat, windpipe
    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • Associated with EBV
  • Extremely common in Guangdong province of China
  • Nephroblastoma

    Wilm's tumor "growth", the most common "kidney" cancer in children. Single sided "budding" flank mass in a child that does not cross the midline.

    • Nephros (Greek) - Kidney
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • WAGR complex: Wilms' Tumor, Aniridia, GU malformation, Retardation
  • The second most common palpated mass in a child behind a distended urinary bladder
  • Neuroblastoma

    Abdominal "growth" that "buds" over the midline. Can be found anywhere along the sympathetic "nerve" chain ganglia.

    • Neuron (Greek) - Nerve, straw, tendon
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • Bombesin tumor marker
  • Nmyc oncogene activation
  • Most common adrenal medulla tumor in children
  • Neurofibromatosis

    "Condition" of "fibrous" tumor "growth" from "nervous" tissue.

    • Neuro (Greek) - Nerve, sinew, tendon
    • Fibra (Latin) - A fiber, filament, entrail
    • Oma (Greek) - Morbid growth, mass, tumor
    • Osis (Greek) - A condition, disease
  • Autosomal dominant
  • NF1: chromosome 17, cafe au lait spots, Lisch nodules, neural tumors
  • NF2: chromosome 22, bilateral acoustic neuromas, meningioma, cataracts
  • Neurocutaneous disorders include NF2, Tuberous sclerosis, VHL disease, and SturgeWeber
  • Nevoid Basal Cell Carcinoma

    "Birthmarks" which are "cancerous" "masses" from the "foundation" layer of "cells"

    • Naevus (Latin) - Birthmark related to tus, birth
    • Basal (Latin) - Foundation
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • Aka Nevoid basal cell carcinoma syndrome (NBCCS)
  • An inherited autosomal dominant medical condition involving defects within multiple body systems
  • Most common finding is multiple Keratocystic Odontogenic Tumors, seen in 75% of patients
  • There are usually multiple lesions found in the mandible
  • Occur at a young age (19 yrs. average).
  • People with this syndrome are particularly prone to developing a common and usually nonlifethreatening form of nonmelanoma skin cancers.
  • Non caseating granuloma

    These granulomas are "seed"like "masses" without" a "cheese"like center.

    • Non (Latin) - Not
    • Caseus (Latin) - Cheese
    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
  • Crohn's disease
  • Sarcoidosis
  • Made of epitheloid histiocytes lacking central necrosis
  • Nonhodgkin lymphoma

    Cancer and "tumors" med after Dr. Thomas Hodgkin. Multiple types of Bcell and Tcell clonal tumors, associated with infections and immunosuppression.

    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • Unlike Hodgkin's Lymphoma, NonHodgkin's is not associated with the presence of ReedSternberg cells
  • Nonspecific granulomatous gingivitis

    "Inflammation of the gums" (gingivitis), not due to a "certain kind" of cause (nonspecific), which forms "granular masses"

    • Non (Latin) - Not
    • Specificus (Latin) - Constituting a kind or sort
    • Granulum (Latin) - Granule
    • Oma (Greek) - Morbid growth, mass, tumor
    • Gingiva (Latin) - Gums
    • Itis (Greek) - Inflammation, pertaining to disease
  • Granulomatous gingivitis is the term given to inflammation (generally localized areas along gingival margin or papillae) of the gums with no apparent cause. Histology shows granulomatous inflammation as focal areas of histiocytic and lymphocytes.
  • If this type of inflammation is found to be caused by a foreign element (dental materials such as amalgam dust, toothpaste), then it is termed a foreign body gingivitis, rather than granulomatous gingivitis.
  • Odontoma

    A benign "mass" composed of mature "tooth" tissues.

    • Odous (Greek) - Tooth
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most common type of odontogenic tumor. Occurs mostly in young people and is associated with impacted teeth often.
  • Two types: Compound which consists of numerous denticles and complex which is composed of disorganized dental tissues to form an amorphous opaque mass.
  • Oligodendroglioma

    "Tumor" of oligodendrocytes the "treelike" "cells" of the CNS that "glue" cells together with myelin.

    • Oligos (Greek) - Few, scanty, small, little
    • Dendron (Greek) - Tree
    • Glia (Greek) - Glue
    • Oma (Greek) - Morbid growth, mass, tumor
  • Frontal lobe
  • May present with seizures
  • Friedegg nucleus
  • GFAP+
  • Calcified tumor in white matter on imaging
  • Rare and slow growing
  • Osteochondroma

    "Cartilage" based "tumor" of the "bone" that usually present as cartilaginous bony projections of the metaphysis.

    • Osteon (Greek) - Bone
    • Chondros (Greek) - Cartilage
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most common benign tumor of the bones
  • Osteoma

    Benign "tumor" of the "bone".

    • Osteon (Greek) - Bone
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most commonly on the face
  • Part of Gardner's syndrome
  • Osteosarcoma

    Malignant "tumor" of the "bone" "flesh."

    • Osteon (Greek) - Bone
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Commonly occurs in the metaphysis region of the bones
  • Papillary Cystadenoma Lymphomatosum/ Warthin's Tumor

    A "tumor" of the salivary "gland" that is papillary ("nipple")shaped

    • Papilla (Latin) - Nipple
    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Aden (Greek) - Gland
    • Oma (Greek) - Morbid growth, mass, tumor
  • Papillary cystadenoma lymphomatosum
  • Strong association with cigarette smoking
  • A benign salivary gland tumor, which often affects the parotid gland
  • Represent up to10% of salivary gland tumors
  • ♂:♀ ratio is 5:1
  • Treated by excision
  • The salivary glands will contain abundant lymphocytes and germinal centers (lymph nodelike stroma)
  • Papilloma

    A benign epithelial "tumor" that is "nipplelike" in appearance.

    • Papilla (Latin) - Nipple
    • Oma (Greek) - Morbid growth, mass, tumor
    Papillomavirus

    A "poisonous substance" that is capable of infecting humans that cause "nipple"like wart lesions.

    • Papilla (Latin) - Nipple
    • Oma (Greek) - Morbid growth, mass, tumor
    • Virus (Latin) - Poison, poisonous substance
    Pathoma

    A board examination video series and book written by doctor Hussain Sattar, a pathologist from the University of Chicago Medical School. It is so med a "mass" of "pathology" because it is a gathering of the high yield board tested information involved in the pathology of disease.

    • Pathos (Greek) - Suffering, disease, feeling
    • Oma (Greek) - Morbid growth, mass, tumor
  • Www.pathoma.com
  • Pheochromocytoma

    A "mass or tumor" of the chromaffin cells (med because they stain a "dark" "color") of the adrenal medulla, most of which release catecholamines.

    • Phaios (Greek) - Dark
    • Chromo (Greek) - Color
    • Oma (Greek) - Morbid growth, mass, tumor
  • Episodic hypertension
  • Associated with VonHippelLindau disease
  • Associated with MEN2a and MEN2b
  • Treat with phenoxybenzamine and surgical resection
  • Associated with increased urinary VMA
  • Up to 25% familial

  • MedyQuestion
    • A 37 year old man is brought in from prison after experiencing chest pain. In the emergency room is found to be tachycardic to 123 and blood pressure is found to be 188/119. The patient is very diaphoretic on physical examination. He reports that this has happened before, but was self resolving. What is the most likely finding on CT abdomen?

    USMLE Step 1

    • A 37 year old man is brought in from prison after experiencing chest pain. In the emergency room is found to be tachycardic to 123 and blood pressure is found to be 188/119. The patient is very diaphoretic on physical examination. He reports that this has happened before, but was self resolving. Prior to going to the operating room, what drug must be administered to the patient?

    USMLE Step 1

    Pilocytic astrocytoma

    A brain "mass, tumor" derived from astrocytes ("star" shaped glial cell in CNS)

    • Pilus (Latin) - Hair
    • Astro (Greek) - Star
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Oma (Greek) - Morbid growth, mass, tumor
  • A childhood cystic neoplasm
  • Often in the cerebellum
  • Composed of bipolar cells with "hair like" GFAPpositive processes
  • Associated with Rosenthal fibers, which can be seen under microscopy
  • Polyomavirus

    "Poisonous substance" that can cause "many" types of "tumors"

    • Polloi (Greek) - Many
    • Oma (Greek) - Morbid growth, mass, tumor
    • Virus (Latin) - Poison, poisonous substance
  • Family of potentially oncogenic, double stranded D viruses with a circular genome
  • Several found to infect humans, most notably JC and BK viruses
  • JC Virus PML (progressive multifocal encephalopathy that is an AIDS defining illness)
  • BK Virus Kidney transplant infection (immunosuppressed transplant patients susceptible)
  • Respiratory infections seen in immunocompromised patients, such as HIV
  • Psamomma

    A "body" of "sand" or hardened material.

    • Psammos (Greek) - Sand
    • Oma (Greek) - Morbid growth, mass, tumor
  • Round collection of calcium visualized under microscope
  • Papillary Thyroid Carcinoma
  • Papillary Rel Cell Carcinoma
  • Ovarian Papillary serous cystadenoma and cystadenocarcinoma
  • Pseudoepitheliomatous hyperplasia

    An "excess" "formation" of growth "upon" the epithelium that appears as a "fake" "tumor"

    • Pseudein (Greek) - To deceive, cheat by lies, fake
    • Epi (English) - Above, Upon
    • Thele (Greek) - Nipple, teat
    • Oma (Greek) - Morbid growth, mass, tumor
    • Hyper (Greek) - Over, beyond, excess
    • Plasis (Greek) - Molding, Formation
  • A benign nonspecific reactive hyperplasia of stratified mucocutaneous epithelium
  • Observed in chronic inflammatory dermatoses and over some dermal neoplasms and nevi
  • Microscopically, resembles welldifferentiated squamous cell carcinoma
  • Pseudomyxoma periotnei

    A "false" "mass" that secretes "mucus" into the abdomen

    • Pseudein (Greek) - To deceive, cheat by lies, fake
    • Myxa (Greek) - Mucus
    • Oma (Greek) - Morbid growth, mass, tumor
  • Cancer of the appendix which secretes large amounts of mucus into the abdominal cavity
  • Also known as jelly belly
  • Psuedoepitheliomatous hyperplasia

    "Overformation" (hyperplasia) of epithelial cells, which "deceptively" resembles squamous cell carcinoma

    • Pseudein (Greek) - To deceive, cheat by lies, fake
    • Epi (English) - Above, Upon
    • Thele (Greek) - Nipple, teat
    • Oma (Greek) - Morbid growth, mass, tumor
    • Hyper (Greek) - Over, beyond, excess
    • Plasis (Greek) - Molding, Formation
  • This type of hyperplasia results from chronic inflammation and resembles squamous cell carcinoma on histology however, there is no cellular dysplasia
  • Pyogenic granuloma

    A "granular" "tumor or mass" that "produces" "pus".

    • Puon (Greek) - Discharge from a sore, pus
    • Gene (French) - Something that produces
    • Granum (Latin) - Grain, seed
    • Oma (Greek) - Morbid growth, mass, tumor
  • Pregnancy tumor
  • Overgrowth of vascular tissue due to irradiation, trauma or hormones. Technically a capillary hemangioma so are prone to bleeding and occur in the gums, skin and sal septum.
  • First described in 1897 by French surgeons who med the growths 'botryomycosis hominis'
  • Renal oncocytoma

    A "morbid growth or tumor" of the kidney.

    • Renes (Latin) - Kidneys
    • Onkos (Greek) - Mass, Bulk
    • Cytos (Greek) - Cell, A Hollow, Receptacle, Vessel
    • Oma (Greek) - Morbid growth, mass, tumor
  • Made of oncocytes, which is an eosinophillike cell
  • Tumor cells often have abnormal amounts of mitochondria
  • Rhabdomyoma

    A benign tumor, or "growth", of striated "wand or rod shaped" skeletal muscle.

    • Rhabdos (Greek) - Wand, rod
    • Mus (Greek) - Muscle, mouse
    • Oma (Greek) - Morbid growth, mass, tumor
  • Cardiac Rhabdomyomas are associated with tuberous sclerosis
  • Rhabdomyosarcoma

    A "morbid growth or mass" composed of "wand or rod shaped" skeletal muscle.

    • Rhabdos (Greek) - Wand, rod
    • Mus (Greek) - Muscle, mouse
    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • Sarcoma botryoides is a vaginal rhabdomyosarcoma that affects young girls.
  • The word mus meaning mouse came from the notion that muscles looked like mice under the skin.
  • Sarcoma

    A harmful "tumor" of the connective or "fleshy tissue"

    • Sarx (Latin) - Flesh, Meat
    • Oma (Greek) - Morbid growth, mass, tumor
  • A cancer of mesenchymal origin
  • Sarcomas tend to spread through the blood.
  • Schwannoma

    Benign "tumor" composed of Schwann cells covering peripheral nerves, med eponymously

    • Schwann (German) - Theodor Schwann
    • Oma (Greek) - Morbid growth, mass, tumor
  • NF1
  • S100+
  • Seminoma

    A "tumor" of the testis arising from "sperm"forming tissue

    • Semen (Latin) - Seed
    • Oma (Greek) - Morbid growth, mass, tumor
  • Germ cell tumor in the testes or sometimes mediastinum. It originates in the germinal epithelium of the seminiferous tubules.
  • Serous cystadenocarcinoma

    A malignant "mass" of a "gland" filled with "watery fluid" resembling a small "bladder".

    • Serum (Latin) - Watery fluid, whey
    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Aden (Greek) - Gland
    • Karkinos (Greek) - Cancer, crab
    • Oma (Greek) - Morbid growth, mass, tumor
  • Common malignant ovarian neoplasm filled with clear fluid
  • Psammoma bodies can be seen
  • Serous cystadenoma

    A benign "mass" of a "gland" filled with "watery fluid" resembling a small "bladder".

    • Serum (Latin) - Watery fluid, whey
    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Aden (Greek) - Gland
    • Oma (Greek) - Morbid growth, mass, tumor
  • Common benign ovarian neoplasm filled with clear fluid
  • Most common type of ovarian cancer
  • Spider angioma

    A "growth" of superficial blood "vessels" resembling a spider or "spinner's" web

    • Spinder (Danish) - The spinner
    • Angeion (Greek) - A vessel, receptacle
    • Oma (Greek) - Morbid growth, mass, tumor
  • Superficial blood vessels that become swollen and look like red spider webs on the skin.
  • Often called spider telangiectasias and are commonly found in the face and extremities
  • Often associated with increased estrogen levels due to hormonal imbalances or liver failure
  • Associated with cirrhosis and elevated estrogen
  • Subdural hematoma

    A "mass" of "blood" "under" the "hard" layer of the meninges

    • Sub (Latin) - Under, below, beneath, at the foot of
    • Durus (Latin) - Hard
    • Haima (Greek) - Blood
    • Oma (Greek) - Morbid growth, mass, tumor
  • Hemorrhage that occurs under the dura of the brain, usually secondary to traumatic brain injury.
  • Crescent shaped hematoma on CT scan
  • Shaken baby syndrome
  • Common in elderly due to brain shrinkage
  • Usually caused by stretching of the bridging veins in the subdural space due to increased intracranial pressure.
  • Teratoma

    A "monstrous mass"

    • Terato (Greek) - Marvel, monster
    • Oma (Greek) - Morbid growth, mass, tumor
  • Teratomas are tumors formed from the three germ cell layers, and are "monstrous" because they can contain recognizable tissues normally found in other parts of the body. For example, an ovarian teratoma occurs in the ovary but may contain teeth and hair.
  • Testicular lymphoma

    "Tumor" of the "testicles" of lymphatic cell origin.

    • Testis (Latin) - A witness, testicle
    • Lympha (Latin) - Water, clear water, a goddess of water
    • Oma (Greek) - Morbid growth, mass, tumor
  • Klinefelter syndrome and cryptorchidism are risk factors
  • Thecoma

    A "tumor" of theca cells, which form a "sheath" around the inner granulosa cells of the ovary.

    • Theke (Greek) - Case, Envelope, Sheath
    • Oma (Greek) - Morbid growth, mass, tumor
  • Most patients with thecoma present with abnormal uterine bleeding
  • Sex cord stromal tumor
  • Benign ovarian neoplasm
  • Thymoma

    Benign "tumor" of the "oblong shield" shaped gland.

    • Thumos (Greek) - Excrescence like a thyme bud, thymus gland
    • Oma (Greek) - Morbid growth, mass, tumor
  • Thymomas are associated with myasthenia gravis
  • They can also cause superior ve cava syndrome (proximity to the superior ve cava) and dysphagia (proximity to the esophagus)
  • Unicystic ameloblastoma

    A benign "mass" composed of "enamel"producing "germ" cells that appears as “one” “pouch” radio graphically

    • Uni (Latin) - One
    • Kustis (Greek) - Bladder, atomical pouch or sac
    • Amelo (English) - Emel
    • Blastos (Greek) - Germ, sprout, bud or budding, immature
    • Oma (Greek) - Morbid growth, mass, tumor
  • An odontogenic tumor comprised of ameloblasts
  • Usually occur in the posterior regions of the mandible
  • Typically appears multilocular although unilocular or unicystic appearances are not uncommon either
  • Wegener granulomatosis

    Is an uncommon type of inflammation and "growth" of small arteries and veins (vasculitis).

    • Granulum (Latin) - Granule
    • Oma (Greek) - Morbid growth, mass, tumor
  • Wegener's granulomatosis is a rare type of inflammation that targets the arteries, veins and capillaries of vital organs. The organs usually affected are the kidneys and the respiratory system, including the lungs, trachea, nose and sinuses. Wegener's granulomatosis may be fatal without treatment, but treatment is usually successful in controlling the disease.
  • Xanthoma

    A "mass" of "yellow" tissue.

    • Xanthos (Greek) - Yellow
    • Oma (Greek) - Morbid growth, mass, tumor
  • Usually found within tendons, seen commonly on the Achilles tendon on the back of the foot
  • Associated with hyperlipidemia
  • Macrophages that accumulate lipids turning them into foam cells, similarly seen in plaques of arteries. Made of cholesterol deposit
  • Literally a yellow mass
  • MEDYMOLOGY