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Fig. 10 | BMC Neurology

Fig. 10

From: Schwannomas of the greater superficial petrosal nerve – case series, discussion of surgical techniques, and review of literature

Fig. 10

A Preoperative axial CISS MRI sequence, highlighting the small hyperintense lesion, which can be easily overseen; remnants of the caudally infiltrating GSPN schwannoma. Following the course of the facial nerve from the knee (B), axial T1-weighted gadolinium-enhanced MRI sequences show the enhancement down to the maximal tumor expansion (C, D) in the petrous bone. The schwannoma remains extradurally with immediate involvement of the jugular bulb and the sigmoid sinus

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BMC Neurology

ISSN: 1471-2377

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