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CC BY 4.0 · Surg J (N Y) 2018; 04(03): e164-e166
DOI: 10.1055/s-0038-1669991
Case Report
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Olfactory Nerve Schwannoma: A Case Report and Review of the Literature

Mahmoud M. Taha
1   Department of Neurosurgery, Zagazig University, Zagazig, Egypt
,
Amr AlBakry
1   Department of Neurosurgery, Zagazig University, Zagazig, Egypt
,
Magdy ElSheikh
1   Department of Neurosurgery, Zagazig University, Zagazig, Egypt
,
Tarek H. AbdelBary
1   Department of Neurosurgery, Zagazig University, Zagazig, Egypt
› Author Affiliations
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Publication History

02 April 2018

09 August 2018

Publication Date:
10 September 2018 (online)

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Abstract

Schwannomas are benign tumors, which arise from the Schwann cells of the central or peripheral nerves. They form 8% of all intracranial tumors and most of the cases arise from vestibular division of the 8th cranial nerve. Rare cases are shown to arise from the olfactory or optic nerve, being devoid of myelin sheath. Up to date and according to our best of knowledge, 66 cases have been reported till now. Here we present a review of the literature and a case report of a 56-year-old male with an accidently discovered anterior cranial fossa schwannoma, following a road traffic accident. Tumor was completely excised, using a right frontal approach. Histopathology revealed Antoni-A cellular pattern. Although rare, but olfactory nerve schwannomas should be included in the differential diagnosis in anterior cranial fossa space occupying lesions, and the approach should be designed taking into consideration, this rare entity.

Keywords

olfactory nerve Schwannoma - anterior cranial fossa schwannoma - olfactory groove schwannoma - olfactory - schwannoma
 

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