| Painful Tic Convulsif Presented by an Epidermoid Tumor in the Cerebellopontine Angle |
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Sung Joo Park, Hyuk Jai Choi, Sung Ho Lee, Bong Arm Rhee |
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Department of Neurosurgery, School of Medicine, Kyung-Hee University, Seoul, KoreaDepartment of Neurosurgery, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea |
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| Abstract |
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A 55-year-old female presented with right sided unilateral facial pain and involuntary movement. The pain persisted over the distribution of the right ophthalmic division and maxillary division of the trigeminal nerve for 10 years, and was triggered by chewing and brushing. It had increased in both intensity and frequency gradually in spite of conservative management. Magnetic resonance imaging (MRI) revealed a non-enhancing mass at right cerebellopontine angle tumor. Intra-operatively, we found that right 5th nerve was compressed and displaced by the mass. After removal of the mass, we additionally found that 7th nerve root exit zone was compressed by right anterior inferior cerebellar artery (AICA), inserted Teflon felts. The patient became free from both facial pain and spasm after surgery. |
| Key Words:
Epidermoid cyst, Hemifacial spasm, Microvascular decompression, Painful tic convulsif, Trigeminal neuralgia. |
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