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Sylvian fissure dermoid cyst with intratumoral hemorrhage: case report

Sylvian fissure dermoid cyst with intratumoral hemorrhage: case report

Clinical Neurology and Neurosurgery 108(1): 63-66

It is rare for a dermoid cyst to develop intratumoral hemorrhage. A 61-year-old woman had a sudden-onset left hemiparesis and slow response to verbal requests for one week when unenhanced computed tomography scanning revealed a mixed iso- and hypo-dense heterogeneous lesion in the right fronto-temporal area. T1-weighted magnetic resonance imaging (MRI) of the brain showed a mixed hyper- and hypo-intense tumor in the right fronto-temporal area. The tumor became hyperintense on T2-weighted MRI and was faintly enhanced at tumor periphery on T1-weighted MRI. The tumor was excised and pathological examination revealed a dermoid cyst with intratumoral hemorrhage. The post-operative course was complicated by hemorrhage in the tumor bed, which was evacuated immediately. The patient improved and could walk without support two weeks after the second operation. After 1 year of follow-up, she was well and without neurological deficits. To the best of our knowledge after a literature review, only two previous cases of dermoid cyst have featured intratumoral hemorrhage.

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Accession: 050475422

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PMID: 16311150

DOI: 10.1016/j.clineuro.2004.11.003

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