Yonsei Med J.
2001 Apr;42(2):255-257. 10.3349/ymj.2001.42.2.255.
Tic convulsif caused by cerebellopontine angle schwannoma
- Affiliations
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- 1Department of Neurosurgery, Yonsei University Wonju College of Medicine, Korea. whangkum@wonju.yonsei.ac.kr
- 2Department of Radiology, Yonsei University Wonju College of Medicine, Wonju, Korea.
- 3Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea.
- 4Department of Pathology, Yonsei University Wonju College of Medicine, Wonju, Korea.
- KMID: 720617
- DOI: http://doi.org/10.3349/ymj.2001.42.2.255
Abstract
- A case is presented of painful tic convulsif caused by schwannoma in the cerebellopontine angle (CPA), with right trigeminal neuralgia and ipsilateral hemifacial spasm. Magnetic resonance images showed a 4 cm round mass displacing the 4th ventricle and distorting the brain stem in the right CPA. The schwannoma, which compressed the fifth and seventh cranial nerves directly, was subtotally removed by a suboccipital craniectomy. Postoperatively, the patient had a complete relief from the hemifacial spasm and marked improvement from trigeminal neuralgia. The painful tic convulsif in this case was probably produced by the tumor compressing and displacing the anterior cerebellar artery directly.
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