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Hypoglossal nerve palsy

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Overview

Hypoglassal nerve palsy refers to paralysis of the 12th cranial nerve. It is most often caused by a tumor and causes wasting and twitching of one side of the tongue.

Causes

Causes

Common Causes

Causes In Alphabetical Order

Epidemiology and Demographics

Epidemiology and Demographics

Tumors account for approximately half the cases, and the most common causes include metastatic carcinomas, chordomas, nasopharyngeal carcinomas, gliomas, and acoustic neuromas.

Diagnosis

Diagnosis

Physical Examination

Neurologic

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