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KMID : 1037420170120010050
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Journal of Korean Skull Base Society
2017 Volume.12 No. 1 p.50 ~ p.53
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Sudden sensorineural hearing loss resulting from arachnoid cyst at cerebellomedullary angle cistern surgically recovered
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Sung Han-Kyung
Ko Bum-Jun
Sheen Seung-Hun
Park Se-Ra
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Abstract
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Sudden sensorineural hearing loss(SSNHL) is a common clinical disease in otolaryngology. In many cases, the causes of sudden hearing loss cannot be determined, but a cerebello-pontine angle (CPA) mass, such as an arachnoid cyst, is one of them. Arachnoid cysts are usually asymptomaic; however, when they have mass-effect, they may present with symptoms such as dizziness, tinnitus and hearing loss. The authors report a case of a 63 year-old male who presented with sudden hearing loss linked to a CPA arachnoid cyst. The patient underwent a retromastoid suboccipital craniotomy with fenestration of the arachnoid cyst to get rid of his neurological symptoms and hearing loss which did not respond to medical treatments. After the surgery the patient's hearing was recovered and other symptoms disappeared.
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KEYWORD
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Arachnoid cyst, Cerebellomedullary angle, Posterior fossa, Sudden sensorineural hearing loss
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