[Leptomeningeal Carcinomatosis--an Infrequent Cause of Hearing Loss].

The causes of acquired hearing loss may be many. We present a case of sudden onset of bilateral sensorineural hearing loss due to leptomeningeal carcinomatosis. The most common clinical features and typical CSF changes are reviewed, and the potential difficulties in reaching the diagnosis are discussed. Modes of therapy and prognosis are briefly mentioned.