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hamartoma
a focal growth that resembles a neoplasm but results from faulty development in an organ
hamartoma: a focal growth that resembles a neoplasm but results from faulty development in an organ
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
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
lipoma
a tumor consisting of fatty tissue
lipoma: a tumor consisting of fatty tissue
malignant_tumor
a tumor that is malignant and tends to spread to other parts of the body
malignant_tumor: a tumor that is malignant and tends to spread to other parts of the body
meningioma
a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
meningioma: a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
cancer
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
cancer: 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
angiosarcoma
a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
angiosarcoma: a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
chondrosarcoma
a malignant neoplasm of cartilage cells
chondrosarcoma: a malignant neoplasm of cartilage cells
Ewing's_sarcoma
malignant tumor in bone marrow (usually in the pelvis or in long bones)
Ewing's_sarcoma: malignant tumor in bone marrow (usually in the pelvis or in long bones)
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
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
leiomyosarcoma
sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
leiomyosarcoma: sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
liposarcoma
sarcoma of fat cells
liposarcoma: sarcoma of fat cells
myosarcoma
sarcoma of muscle tissue
myosarcoma: sarcoma of muscle tissue
neurosarcoma
a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue
neurosarcoma: a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue
osteosarcoma
malignant bone tumor; most common in children and young adults where it tends to affect the femur
osteosarcoma: malignant bone tumor; most common in children and young adults where it tends to affect the femur
lymphadenoma
an abnormally enlarged lymph node
lymphadenoma: an abnormally enlarged lymph node
lymphadenopathy
chronic abnormal enlargement of the lymph nodes (usually associated with disease)
lymphadenopathy: chronic abnormal enlargement of the lymph nodes (usually associated with disease)
lymphoma
a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
lymphoma: a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
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
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
carcinoma
any malignant tumor derived from epithelial tissue; one of the four major types of cancer
carcinoma: any malignant tumor derived from epithelial tissue; one of the four major types of cancer
cancroid
the most common form of skin cancer
cancroid: the most common form of skin cancer
leukemia
malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
leukemia: malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
acute_leukemia
rapidly progressing leukemia
acute_leukemia: rapidly progressing leukemia
acute_lymphocytic_leukemia
acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood; most common in children
acute_lymphocytic_leukemia: acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood; most common in children
acute_myelocytic_leukemia
acute leukemia characterized by proliferation of granular leukocytes; most common in adolescents and young adults
acute_myelocytic_leukemia: acute leukemia characterized by proliferation of granular leukocytes; most common in adolescents and young adults
chronic_leukemia
slowly progressing leukemia
chronic_leukemia: slowly progressing leukemia
chronic_lymphocytic_leukemia
chronic leukemia characterized by lymphoblast-like cells; more common in older men
chronic_lymphocytic_leukemia: chronic leukemia characterized by lymphoblast-like cells; more common in older men
chronic_myelocytic_leukemia
chronic leukemia characterized by granular leukocytes; more common in older people
chronic_myelocytic_leukemia: chronic leukemia characterized by granular leukocytes; more common in older people
lymphocytic_leukemia
leukemia characterized by enlargement of lymphoid tissues and lymphocytic cells in the circulating blood
lymphocytic_leukemia: leukemia characterized by enlargement of lymphoid tissues and lymphocytic cells in the circulating blood
lymphoblastic_leukemia
a form of lymphocytic leukemia in which the abnormal cells in the circulating blood are almost totally lymphoblasts
lymphoblastic_leukemia: a form of lymphocytic leukemia in which the abnormal cells in the circulating blood are almost totally lymphoblasts
monocytic_leukemia
leukemia characterized by the proliferation of monocytes and monoblasts in the blood
monocytic_leukemia: leukemia characterized by the proliferation of monocytes and monoblasts in the blood
myeloblastic_leukemia
a malignant neoplasm of blood-forming tissues; characterized by numerous myeloblasts in the blood stream
myeloblastic_leukemia: a malignant neoplasm of blood-forming tissues; characterized by numerous myeloblasts in the blood stream
myelocytic_leukemia
a malignant neoplasm of blood-forming tissues; marked by proliferation of myelocytes and their presence in the blood
myelocytic_leukemia: a malignant neoplasm of blood-forming tissues; marked by proliferation of myelocytes and their presence in the blood
rhabdomyosarcoma
a highly malignant neoplasm derived from striated muscle
rhabdomyosarcoma: a highly malignant neoplasm derived from striated muscle
embryonal_rhabdomyosarcoma
form of rhabdomyosarcoma occurring mainly in infants and children
embryonal_rhabdomyosarcoma: form of rhabdomyosarcoma occurring mainly in infants and children
alveolar_rhabdomyosarcoma
form of rhabdomyosarcoma occurring mainly in adolescents and young adults
alveolar_rhabdomyosarcoma: form of rhabdomyosarcoma occurring mainly in adolescents and young adults
pleomorphic_rhabdomyosarcoma
form of rhabdomyosarcoma that affects limb muscles of older adults
pleomorphic_rhabdomyosarcoma: form of rhabdomyosarcoma that affects limb muscles of older adults
Wilms'_tumor
malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass
Wilms'_tumor: malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass
sarcoma
a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer
sarcoma: a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer
adenocarcinoma
malignant tumor originating in glandular epithelium
adenocarcinoma: malignant tumor originating in glandular epithelium
breast_cancer
cancer of the breast; one of the most common malignancies in women in the US
breast_cancer: cancer of the breast; one of the most common malignancies in women in the US
carcinoma_in_situ
a cluster of malignant cells that has not yet invaded the deeper epithelial tissue or spread to other parts of the body
carcinoma_in_situ: a cluster of malignant cells that has not yet invaded the deeper epithelial tissue or spread to other parts of the body
colon_cancer
a malignant tumor of the colon; early symptom is bloody stools
colon_cancer: a malignant tumor of the colon; early symptom is bloody stools
embryonal_carcinoma
malignant neoplasm of the testis
embryonal_carcinoma: malignant neoplasm of the testis
endometrial_carcinoma
cancer of the uterine lining
endometrial_carcinoma: cancer of the uterine lining
hemangioma
benign angioma consisting of a mass of blood vessels; some appear as birthmarks
hemangioma: benign angioma consisting of a mass of blood vessels; some appear as birthmarks
strawberry_hemangioma
a congenital bright red superficial vascular tumor resembling a strawberry; tends to decrease in size during childhood
strawberry_hemangioma: a congenital bright red superficial vascular tumor resembling a strawberry; tends to decrease in size during childhood
lymphangioma
benign angioma consisting of a mass of lymphatic vessels
lymphangioma: benign angioma consisting of a mass of lymphatic vessels
spider_angioma
a dilation of superficial capillaries with a central red dot from which blood vessels radiate
spider_angioma: a dilation of superficial capillaries with a central red dot from which blood vessels radiate
myeloma
a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow
myeloma: a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow
multiple_myeloma
myeloma that develops in several places at the same time
multiple_myeloma: myeloma that develops in several places at the same time
myoma
a benign tumor composed of muscle tissue
myoma: a benign tumor composed of muscle tissue
myxoma
a benign tumor of connective tissue containing jellylike material
myxoma: a benign tumor of connective tissue containing jellylike material
neurinoma
tumor (usually benign) of the sheath surrounding a nerve
neurinoma: tumor (usually benign) of the sheath surrounding a nerve
neuroblastoma
malignant tumor containing embryonic nerve cells; usually metastasizes quickly
neuroblastoma: malignant tumor containing embryonic nerve cells; usually metastasizes quickly
neuroepithelioma
malignant tumor of the neuroepithelium
neuroepithelioma: malignant tumor of the neuroepithelium
neurofibroma
tumor of the fibrous covering of a peripheral nerve
neurofibroma: tumor of the fibrous covering of a peripheral nerve
neuroma
any tumor derived from cells of the nervous system
neuroma: any tumor derived from cells of the nervous system
leiomyoma
benign tumor of smooth muscle (usually in the uterus or digestive tract)
leiomyoma: benign tumor of smooth muscle (usually in the uterus or digestive tract)
rhabdomyoma
benign rumor of striated muscle
rhabdomyoma: benign rumor of striated muscle
osteoblastoma
benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults)
osteoblastoma: benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults)
osteochondroma
benign tumor containing both bone and cartilage; usually occurs near the end of a long bone
osteochondroma: benign tumor containing both bone and cartilage; usually occurs near the end of a long bone
osteoma
a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible
osteoma: a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible
papilloma
a benign epithelial tumor forming a rounded mass
papilloma: a benign epithelial tumor forming a rounded mass
pheochromocytoma
a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
pheochromocytoma: a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
pinealoma
tumor of the pineal gland
pinealoma: tumor of the pineal gland
plasmacytoma
neoplasm of plasma cells (usually in bone marrow)
plasmacytoma: neoplasm of plasma cells (usually in bone marrow)
psammoma
a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
psammoma: a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
retinoblastoma
malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
retinoblastoma: malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
teratoma
a tumor consisting of a mixture of tissues not normally found at that site
teratoma: a tumor consisting of a mixture of tissues not normally found at that site
hepatoma
carcinoma of the liver
hepatoma: carcinoma of the liver
lung_cancer
carcinoma of the lungs; one of the commonest forms of cancer
lung_cancer: carcinoma of the lungs; one of the commonest forms of cancer
mesothelioma
a form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
mesothelioma: a form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
oat_cell_carcinoma
highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm; lung cancers are frequently oat cell carcinomas
oat_cell_carcinoma: highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm; lung cancers are frequently oat cell carcinomas
oral_cancer
malignant neoplasm of the lips of mouth; most common in men over the age of 60
oral_cancer: malignant neoplasm of the lips of mouth; most common in men over the age of 60
pancreatic_cancer
cancer of the pancreas
pancreatic_cancer: cancer of the pancreas
prostate_cancer
cancer of the prostate gland
prostate_cancer: cancer of the prostate gland
seminoma
malignant tumor of the testis; usually occurring in older men
seminoma: malignant tumor of the testis; usually occurring in older men
skin_cancer
a malignant neoplasm of the skin
skin_cancer: a malignant neoplasm of the skin
epithelioma
a malignant tumor of the epithelial tissue
epithelioma: a malignant tumor of the epithelial tissue
melanoma
any of several malignant neoplasms (usually of the skin) consisting of melanocytes
melanoma: any of several malignant neoplasms (usually of the skin) consisting of melanocytes
trophoblastic_cancer
malignant neoplasm of the uterus derived from the epithelium of the chorion
trophoblastic_cancer: malignant neoplasm of the uterus derived from the epithelium of the chorion
eye_disease
any disease of the eye
eye_disease: any disease of the eye
animal_disease
a disease that typically does not affect human beings
animal_disease: a disease that typically does not affect human beings
actinomycosis
disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses
actinomycosis: disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses
cervicofacial_actinomycosis
the commonest and least severe form of actinomycosis; affects the face and neck regions
cervicofacial_actinomycosis: the commonest and least severe form of actinomycosis; affects the face and neck regions
cataract
an eye disease that involves the clouding or opacification of the natural lens of the eye
cataract: an eye disease that involves the clouding or opacification of the natural lens of the eye
macular_edema
an eye disease caused by a swelling of the macula resulting from leakage and accumulation of fluid
macular_edema: an eye disease caused by a swelling of the macula resulting from leakage and accumulation of fluid
cystoid_macular_edema
a specific pattern of swelling in the central retina
cystoid_macular_edema: a specific pattern of swelling in the central retina
drusen
(plural) an eye disease resulting from small accumulations of hyaline bodies underneath the retina
drusen: (plural) an eye disease resulting from small accumulations of hyaline bodies underneath the retina
glaucoma
an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness)
glaucoma: an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness)
acute_glaucoma
glaucoma in which the iris blocks the outflow of aqueous humor
acute_glaucoma: glaucoma in which the iris blocks the outflow of aqueous humor
normal_tension_glaucoma
glaucoma that results from damage to the optic nerve although the intraocular pressure is normal
normal_tension_glaucoma: glaucoma that results from damage to the optic nerve although the intraocular pressure is normal
cortical_cataract
a cataract that affects the lens cortex
cortical_cataract: a cataract that affects the lens cortex
nuclear_cataract
a cataract that affects the nucleus of the lens
nuclear_cataract: a cataract that affects the nucleus of the lens
posterior_subcapsular_cataract
a cataract in the rear of the lens capsule
posterior_subcapsular_cataract: a cataract in the rear of the lens capsule
chronic_glaucoma
glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision
chronic_glaucoma: glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision
keratonosus
any disease of the cornea
keratonosus: any disease of the cornea
macular_degeneration
eye disease caused by degeneration of the cells of the macula lutea and results in blurred vision; can cause blindness
macular_degeneration: eye disease caused by degeneration of the cells of the macula lutea and results in blurred vision; can cause blindness
age-related_macular_degeneration
macular degeneration that is age-related
age-related_macular_degeneration: macular degeneration that is age-related