hygroma

hygroma /hy·gro·ma/ (hi-gro´mah) pl. hygromas, hygro´mata   an accumulation of fluid in a sac, cyst, or bursa.hygrom´atous

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hygroma col´li  a watery tumor of the neck.

cystic hygroma , hygroma cys´ticum a lymphangioma usually occurring in the neck and composed of large, multilocular, thin-walled cysts.

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hy·gro·ma (h-grm)

n. pl. hy·gro·mas or hy·gro·ma·ta (-m-t)

A cystic swelling containing a serous fluid. Also called hydroma.

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hygroma

[hī·grō′mə] pl. hygromas, hygromata

Etymology: Gk, hygros, moist + -oma, tumor

a sac, cyst, or bursa distended with a fluid.

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hygroma (hīgrō´m),

n a sac or cyst swollen with fluid.

hygroma colli cysticum (cystic hygroma, cystic lymphangioma),

n a cavernous lymphangioma involving the neck. It may be large, thereby impairing breathing and swallowing.

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hygroma

an accumulation of fluid in a sac, cyst or bursa.

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carpal hygroma

large fluid-filled subcutaneous sac on the anterior aspect of the carpus caused by trauma.

Carpal hygroma. By permission from Blowey RW, Weaver AD, Diseases and Disorders of Cattle, Mosby, 1997

cystic hygroma, hygroma cysticum

an endothelium-lined, fluid-containing lesion of lymphatic origin.

elbow hygroma

a fluid-filled, painless, subcutaneous swelling over the point of the elbow involving the formation of a false bursa. Occurs mainly in the large breeds of dogs and in horses where it is called shoe boil.

hock hygroma

a swelling of the subcutaneous bursa over the tuber calcis. The initial soft fluctuating swelling is replaced by a firm fibrous capsule to form a hygroma. Called also capped hock.

perirenal hygroma

see feline perirenal cysts.