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Intraosseous trigeminal schwannoma of mandible with intracranial extension

Published online by Cambridge University Press:  27 January 2011

Z Sun ,
L Sun ,
T Li ,
X Ma  and
Z Zhang
Z Sun
Affiliation:
Department of Oral and Maxillofacial Radiology, School and Hospital of Stomatology, Peking University, Beijing, China
L Sun
Affiliation:
Department of Oral Pathology, School and Hospital of Stomatology, Peking University, Beijing, China
T Li
Affiliation:
Department of Oral Pathology, School and Hospital of Stomatology, Peking University, Beijing, China
X Ma*
Affiliation:
Department of Oral and Maxillofacial Radiology, School and Hospital of Stomatology, Peking University, Beijing, China
Z Zhang
Affiliation:
Department of Oral and Maxillofacial Radiology, School and Hospital of Stomatology, Peking University, Beijing, China
*
Address for correspondence: Dr Xuchen Ma, Department of Oral and Maxillofacial Radiology, School and Hospital of Stomatology, Peking University, 22 South ZhongGuanCun South Avenue, Haidian District, Beijing 100081, P R China Fax: (8610) 62173402 E-mail: [email protected]
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Abstract

Objective:

There have been few previous reports of intraosseous schwannomas within the mandible with extension into the cranium. We report two such cases and discuss the relevant clinical features, radiological manifestations and treatment protocols.

Method:

Two case reports of trigeminal schwannoma of the mandible with intracranial extension, including analysis of clinical, radiological and pathological aspects.

Results:

Panoramic radiographs showed both tumours as multilocular radiolucencies. Solid and cystic components were seen on computed tomography and magnetic resonance imaging. The two tumours extended into the cranium through the pterygomandibular space and an obviously expanded foramen ovale.

Conclusion:

Trigeminal schwannoma of the mandible can develop to involve intracranial extension. Radiological identification of an expanded foramen ovale may facilitate pre-operative identification.

Keywords

Trigeminal NerveNeoplasmNeurilemmomaMandiblePathology
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 125 , Issue 4 , April 2011 , pp. 418 - 422
Copyright
Copyright © JLO (1984) Limited 2011

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