Primary meningioma of the middle turbinate: A case report

October 4, 2012
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Abstract

Meningioma of the sinonasal tract is a rare entity. Meningioma of the nose and paranasal sinuses may occur in one of two ways: (1) by secondary extension of a primary tumor in the cranial cavity or orbit or (2) primarily in the nose and paranasal sinuses de novo from the ectopic meningocytes derived from pluripotent mesenchymal cells. Primary sinonasal meningiomas are often difficult to diagnose because of their infrequent occurrence. The final diagnosis rests on the histologic examination. We report what is to our knowledge the first case of primary meningioma of the middle turbinate.

Introduction

Meningioma accounts for 14 to 18% of all intracranial tumors.1,2 Although it is uncommon in extracranial sites, it can occur in the nose and paranasal sinuses, orbit, middle ear, neck, and skin.3 The occurrence of this tumor in the nose and paranasal sinuses is extremely rare2,3; approximately 100 cases of primary meningioma of the paranasal sinuses have been reported in the English-language literature.4,5

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CitationEar Nose Throat J. 2012 October;91(10):E12-E14