Neurothekeoma of petrous apex: A rare entity

Abstract Intraosseous nerve sheath tumors are very rare tumors accounting for lesser than 0.2% of primary bone tumors. We present an 18-year-old female who presented with left facial paresis for the last 1 year. Magnetic resonance imaging (MRI) demonstrated expansile, multiseptated, enhancing bony l...

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Bibliographic Details
Published in:Indian journal of neurosurgery 2013-05, Vol.2 (2), p.210-212
Main Authors: Assis, Zarina Abdul, Kumaran, Sunitha P., Ghosal, Nandita, Narayanam, Saikiran, Viswamitra, Sanjaya
Format: Article
Language:English
Subjects:
Case Report
expansile
intraosseous
lytic
neurothekeoma
petrous apex
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Summary:Abstract Intraosseous nerve sheath tumors are very rare tumors accounting for lesser than 0.2% of primary bone tumors. We present an 18-year-old female who presented with left facial paresis for the last 1 year. Magnetic resonance imaging (MRI) demonstrated expansile, multiseptated, enhancing bony lesion in the left petrous apex. There was also abnormal enhancement of the 7-8 th nerve complex within the internal auditory canal. Tumor was excised by subtemporal extradural approach. The lesion was diagnosed as intraosseous neurothekeoma on histopathology. This is an extremely rare tumor and its MRI appearance in this location is being described for the first time in literature.
ISSN:2277-954X
2277-9167
2277-9167
DOI:10.4103/2277-9167.118135