endolymphatic sac tumor

endolymphatic sac tumor: a tumor arising in the endolymphatic sac; these are histologically benign, but if they extend into the adjacent temporal bone they may cause symptoms such as hearing loss, tinnitus, and vertigo. Some are associated with von Hippel-Lindau disease and others are primary or idiopathic.

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sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
ELST — endolymphatic sac tumor … Medical dictionary
ELST — • endolymphatic sac tumor … Dictionary of medical acronyms & abbreviations
Operation — Although there are many meanings to the word operation , in medicine it refers to a surgical procedure. To put matters more formally, an operation is an act or series of acts performed upon the body with the hand alone or by means of an… … Medical dictionary

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