Epidermoid cysts of the cerebellopontine angle with extension into the middle and anterior cranial fossae: surgical strategy and review of the literature |
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Authors: | R Akhavan-Sigari M Bellinzona H Becker M Samii |
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Institution: | (1) Department of Neurosurgery, Nordstadt Hospital, Hannover, Germany;(2) Department of Neuroradiology, Hannover Medical School, Hannover, Germany;(3) Department of Neurosurgery, International Neuroscience Institute, Hannover, Germany |
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Abstract: | Summary Epidermoid cysts are tumours, which contain keratin, cellular debris and cholesterol, and lined with stratified squamous epithelium.
Clinically, epidermoid cysts behave like benign, slow-growing lesions. We present a 63 year-old man with a 6-month history
of right periorbital pain and hypaesthesia in the area of the first and second branch of the trigeminal nerve. MRI revealed
an epidermoid cyst of the cerebellopontine angle extending into the middle and anterior cranial fossae. Radical surgical removal
of epidermoid cysts should be attempted, but a less aggressive surgical strategy should be considered if there is strong adherence
to the surrounding brain tissue, particularly in eloquent areas. In this case, complete tumour removal was achieved via a
suboccipital retrosigmoid approach. |
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Keywords: | : Cavernous sinus epidermoid cyst cerebellopontine angle |
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