#growth.illness (pathology) an abnormal proliferation of tissue (as in a tumor)
supertype: #illness__illnes__sickness impairment of normal physiological function affecting part or all of an organism
subtype: #exostosis__exostosi a benign outgrowth from a bone (usually covered with cartilage)
subtype: #polypus__polyp a small vascular growth on the surface of a mucous membrane
subtype: #adenomatous_polyp__adenomatouspolyp a polyp that consists of benign neoplastic tissue derived from glandular epithelium; "adenomatous polyps are visible protrusions that can develop on the mucosal surface of the colon or rectum"
subtype: #sessile_polyp__sessilepolyp a relatively flat polyp
subtype: #pedunculated_polyp a polyp with a stalk or peduncle
subtype: #peduncle.growth the thin process of tissue that attaches a polyp to the body
subtype: #tumor__tumour__neoplasm an abnormal new mass of tissue that serves no purpose
subtype: #acanthoma__skin_tumor a neoplasm originating in the epidermis
subtype: #keratoacanthoma skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar
subtype: #adenoma a benign epithelial tumor of glandular origin
subtype: #fibroadenoma benign and movable and firm and not tender tumor of the breast; common in young women and caused by high levels of estrogen
subtype: #angioma a tumor consisting of a mass of blood or lymphatic vessels
subtype: #hemangioma__haemangioma benign angioma consisting of a mass of blood vessels; some appear as birthmarks
subtype: #strawberry_hemangioma__strawberry_haemangioma a congenital bright red superficial vascular tumor resembling a strawberry; tends to decrease in size during childhood
subtype: #lymphangioma benign angioma consisting of a mass of lymphatic vessels
subtype: #spider_angioma__spider_nevus__vascular_spider a dilation of superficial capillaries with a central red dot from which blood vessels radiate
subtype: #benign_tumor__benign_tumour__nonmalignant_tumor__nonmalignant_tumout__nonmalignant_neoplasm a tumor that is not cancerous
subtype: #chondroma a common benign tumor of cartilage cells
subtype: #myxoma a benign tumor of connective tissue containing jellylike material
subtype: #osteoblastoma benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults)
subtype: #osteochondroma benign tumor containing both bone and cartilage; usually occurs near the end of a long bone
subtype: #blastoma__blastocytoma__embryonal_carcinosarcoma__embryonalcarcinosarcoma a tumor composed of immature undifferentiated cells
subtype: #brain_tumor__braintumor__brain_tumour__braintumour a tumor in the brain
subtype: #glioblastoma__spongioblastoma a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal
subtype: #glioma a tumor of the brain consisting of neuroglia
subtype: #carcinoid a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin
subtype: #celioma an abdominal tumor
subtype: #enchondroma benign slow-growing tumor of cartilaginous cells at the ends of tubular bones (especially in the hands and feet)
subtype: #fibroma nonmalignant tumor of connective tissue
subtype: #fibroid_tumor__fibroidtumor benign tumor containing fibrous tissue (especially in the uterus)
subtype: #granuloma a tumor composed of granulation tissue resulting from injury or inflammation or infection
subtype: #gumma a small rubbery granuloma that is characteristic of an advanced stage of syphilis
subtype: #lipoma__adipose_tumor__adiposetumor a tumor consisting of fatty tissue
subtype: #malignant_tumor__malignanttumor__malignant_neoplasm__malignantneoplasm__metastatic_tumor a tumor that is malignant and tends to spread to other parts of the body
subtype: #carcinosarcoma a malignant neoplasm composed of carcinoma and sarcoma extensively intermixed
subtype: #cancer__malignant_neoplastic_disease any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream
subtype: #lymphoma a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
subtype: #Hodgkin's_disease a malignant disorder in which there is progressive (but painless) enlargement of lymph tissue followed by enlargement of the spleen and liver
subtype: #carcinoma any malignant tumor derived from epithelial tissue; one of the four major types of cancer
subtype: #liver_cancer__livercancer__cancer_of_the_liver malignant neoplastic disease of the liver usually occurring as a metastasis from another cancer; symptoms include loss of appetite and weakness and bloating and jaundice and upper abdominal discomfort
subtype: #adenocarcinoma__glandular_cancer__glandularcancer__glandular_carcinoma__glandularcarcinoma malignant tumor originating in glandular epithelium
subtype: #prostate_cancer__prostatic_adenocarcinoma__prostaticadenocarcinoma cancer of the prostate gland
subtype: #breast_cancer cancer of the breast; one of the most common malignancies in women in the US
subtype: #carcinoma_in_situ__preinvasive_cancer__preinvasivecancer a cluster of malignant cells that has not yet invaded the deeper epithelial tissue or spread to other parts of the body
subtype: #colon_cancer__coloncancer a malignant tumor of the colon; early symptom is bloody stools
subtype: #embryonal_carcinoma malignant neoplasm of the testis
subtype: #endometrial_carcinoma__endometrialcarcinoma__endometrial_cancer__endometrialcancer cancer of the uterine lining
subtype: #malignant_hepatoma__malignanthepatoma__hepatoma__hepatocarcinoma__hepatocellular_carcinoma carcinoma of the liver
subtype: #lung_cancer carcinoma of the lungs; one of the commonest forms of cancer
subtype: #mesothelioma a rare form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
subtype: #oat_cell_carcinoma__small_cell_carcinoma highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm; lung cancers are frequently oat cell carcinomas
subtype: #oral_cancer malignant neoplasm of the lips of mouth; most common in men over the age of 60
subtype: #pancreatic_cancer cancer of the pancreas
subtype: #seminoma__testicular_cancer malignant tumor of the testis; usually occurring in older men
subtype: #skin_cancer a malignant neoplasm of the skin
subtype: #cancroid__squamous_cell_carcinoma the most common form of skin cancer
subtype: #epithelioma a malignant tumor of the epithelial tissue
subtype: #malignant_melanoma__malignantmelanoma__melanoma any of several malignant neoplasms (usually of the skin) consisting of melanocytes
subtype: #trophoblastic_cancer__trophoblasticcancer malignant neoplasm of the uterus derived from the epithelium of the chorion
subtype: #leukemia__leukaemia__cancer_of_the_blood malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
subtype: #acute_leukemia__acuteleukemia rapidly progressing leukemia
subtype: #acute_lymphocytic_leukemia__acutelymphocyticleukemia__acute_lymphoblastic_leukemia__acutelymphoblasticleukemia acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood; most common in children
subtype: #acute_myelocytic_leukemia__acute_myeloid_leukemia__acutemyeloidleukemia acute leukemia characterized by proliferation of granular leukocytes; most common in adolescents and young adults
subtype: #chronic_leukemia__chronicleukemia slowly progressing leukemia
subtype: #chronic_lymphocytic_leukemia__chroniclymphocyticleukemia chronic leukemia characterized by lymphoblast-like cells; more common in older men
subtype: #chronic_myelocytic_leukemia__myeloid_leukemia__myeloidleukemia chronic leukemia characterized by granular leukocytes; more common in older people
subtype: #lymphocytic_leukemia__lymphocyticleukemia leukemia characterized by enlargement of lymphoid tissues and lymphocytic cells in the circulating blood
subtype: #lymphoblastic_leukemia__lymphoblasticleukemia a form of lymphocytic leukemia in which the abnormal cells in the circulating blood are almost totally lymphoblasts
subtype: #monocytic_leukemia__monocyticleukemia__monocytic_lukaemia__monocyticlukaemia__monoblastic_leukemia__monoblasticleukemia__monoblstic_leukaemia__histiocytic_leukemia__histiocyticleukemia__histiocytic_leukaemia__histiocyticleukaemia leukemia characterized by the proliferation of monocytes and monoblasts in the blood
subtype: #myeloblastic_leukemia a malignant neoplasm of blood-forming tissues; characterized by numerous myeloblasts in the blood stream
subtype: #myelocytic_leukemia__granulocytic_leukemia a malignant neoplasm of blood-forming tissues; marked by proliferation of myelocytes and their presence in the blood
subtype: #acute_myelocytic_leukemia__acute_myeloid_leukemia__acutemyeloidleukemia acute leukemia characterized by proliferation of granular leukocytes; most common in adolescents and young adults
subtype: #chronic_myelocytic_leukemia__myeloid_leukemia__myeloidleukemia chronic leukemia characterized by granular leukocytes; more common in older people
subtype: #sarcoma a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer
subtype: #chondrosarcoma a malignant neoplasm of cartilage cells
subtype: #Ewing's_sarcoma__Ewing's_tumor__Ewing's_tumour__endothelial_myeloma__endothelialmyeloma malignant tumor in bone marrow (usually in the pelvis or in long bones)
subtype: #Kaposi's_sarcoma a sarcoma that starts with purplish spots on the feet and legs and spreads from the skin to lymph nodes and internal organs; a common manifestation of AIDS; "until 1980 Kaposi's sarcoma occurred almost exclusively with Jewish or Italian or black men"
subtype: #leiomyosarcoma sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
subtype: #liposarcoma sarcoma of fat cells
subtype: #myosarcoma sarcoma of muscle tissue
subtype: #neurosarcoma__malignant_neuroma__malignantneuroma a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue
subtype: #osteosarcoma__osteogenic_sarcoma malignant bone tumor; most common in children and young adults where it tends to affect the femur
subtype: #rhabdomyosarcoma__rhabdosrcoma a highly malignant neoplasm derived from striated muscle
subtype: #embryonal_rhabdomyosarcoma__embryonalrhabdomyosarcoma__embryonal_rhabdosarcoma__embryonalrhabdosarcoma form of rhabdomyosarcoma occurring mainly in infants and children
subtype: #alveolar_rhabdomyosarcoma__alveolar_rhabdosarcoma form of rhabdomyosarcoma occuring mainly in adolescents and young adults
subtype: #pleomorphic_rhabdomyosarcoma__pleomorphicrhabdomyosarcoma__pleomorphic_rhabdosarcoma form of rhabdomyosarcoma that affects limb muscles of older adults
subtype: #Wilms'_tumor__Wilms_tumour__adenomyosarcoma__nephroblastoma__embryoma_of_the_kidney malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass
subtype: #retinoblastoma malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
subtype: #meningioma a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
subtype: #myeloma a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow
subtype: #multiple_myeloma myeloma that develops in several places at the same time
subtype: #myoma a benign tumor composed of muscle tissue
subtype: #leiomyoma benign tumor of smooth muscle (usually in the uterus or digestive tract)
subtype: #rhabdomyoma benign rumor of striated muscle
subtype: #neurinoma tumor (usually benign) of the sheath surrounding a nerve
subtype: #neuroblastoma malignant tumor containing embryonic nerve cells; usually metastasizes quickly
subtype: #neuroepithelioma malignant tumor of the neuroepithelium
subtype: #neurofibroma__neurilemoma tumor of the fibrous covering of a peripheral nerve
subtype: #neuroma any tumor derived from cells of the nervous system
subtype: #osteoma a tumor of bone tissue
subtype: #papilloma__villoma__papillary_tumor__papillarytumor__papillary_tumour__papillarytumour a benign epithelial tumor forming a rounded mass
subtype: #pheochromocytoma__phaeochromocytoma a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
subtype: #pinealoma tumor of the pineal gland
subtype: #plasmacytoma neoplasm of plasma cells (usually in bone marrow)
subtype: #psammoma__sand_tumor a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sand-like particles
subtype: #teratoma a tumor consisting of a mixture of tissues not normally found at that site
subtype: #hamartoma a focal growth that resembles a neoplasm but results from faulty development in an organ
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