granuloma, fishbowl Localized nodular skin inflammation (small, reddish, raised areas of skin) that is caused by the bacterium Mycobacterium marinum (M. marinum). Fishbowl granuloma is typically acquired by occupational or recreational exposure to salt or fresh water; often it is the result of scratches or scrapes of the skin during the care of aquariums. The…
granuloma, swimming pool See granuloma, fishbowl.
granuloma annulare A benign, chronic skin condition characterized by raised, reddish bumps arranged in a circular or ring pattern. Usually, there are no other symptoms. Granuloma annulare is most common in children, predominantly girls. Its cause is unknown. Granuloma annulare typically disappears on its own within several years. Treatment is generally unnecessary except for cosmetic…
granuloma tropicum See yaws.
granulomatosis, allergic See Churg-Strauss syndrome.
granulomatosis, Wegener An inflammatory disease of small arteries and veins (vasculitis) that can involve any organ but classically involves vessels supplying the tissues of the lungs, nasal passages (sinuses), and kidneys. Symptoms include fatigue, weight loss, fever, shortness of breath, bloody sputum, joint pains, and sinus inflammation, sometimes with nasal ulcerations and bloody nasal discharge….
GM2-gangliosidosis One of a group of genetic lipid storage disorders that affect the brain. The main types of GM2 gangliosidoses are Tay-Sachs disease and its variants (due to hexosaminidase A deficiency) and Sandhoff disease and its variants (due to hexosaminidase B deficiency). See also Sandhoff disease; Tay-Sachs disease.
goiter A noncancerous enlargement of the thyroid gland. With a goiter, the levels of thyroid hormones may be normal (euthyroid), elevated (hyperthyroidism), or decreased (hypothyroidism).
goiter, diffuse toxic See Graves disease.
goiter, exophthalmic See Graves disease.
goiter, iodide A goiter caused by prolonged intake of too much iodine that results in abnormally low thyroid activity (hypothyroidism). Certain foods and medications contain large amounts of iodine. Examples include seaweed; iodine-rich expectorants (Brand names: SSKI and Lugol solution) used in the treatment of cough, asthma, and chronic pulmonary disease; and amiodarone (brand name:…
goiter, toxic multinodular A condition in which the thyroid gland contains multiple lumps (nodules) that are overactive and that produce excess thyroid hormones. Also known as Parry disease and Plummer disease.