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a benign tumor composed of newly formed lymph spaces and channels. adj., adj lymphangio´matous.
lymphangioma caverno´sum (cavernous lymphangioma)
1. a deeply situated lymphangioma, composed of cavernous lymphatic spaces, and always occurring in the neck or axilla.
2. cystic hygroma.
lymphangioma circumscrip´tum a cutaneous lymphangioma more superficial than the cavernous type, usually localized upper portion of the limbs, the axillary or inguinal folds, or the oral mucosa, especially the tongue; it consists of a grapelike group of thin-walled translucent lymph-filled vesicles that sometimes have a wartlike surface.
cystic lymphangioma (lymphangioma cys´ticum) cystic hygroma.
simple lymphangioma (lymphangioma sim´plex) one composed of small lymphatic channels that occurs subcutaneously in the head and neck region, in the axilla, and sometimes in internal organs. Superficial lesions are slightly raised or sometimes nodular; deeper lesions are sharply circumscribed, compressible, and gray to pink in color.
a condition of conspicuous dilation of lymphatic vessels in a fairly circumscribed region, frequently with the formation of cavities or "lakes" filled with lymph.
Synonym(s): cavernous lymphangiectasis
a tumor formed by dilated lymphatic vessels and filled with lymph mixed with coagulated blood. The lesion, which is often congenital, may cause extensive enlargement of the affected tissue, especially of the tongue and lips. Also called cavernous lymphangioma.