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Ectopic sinonasal meningioma- A case report

Author: 
Sunita Singh, Shilpi Bhargava, Neha Yadav, Namita Bhutani, Ashish Sharma and Rajeev Sen
Abstract: 

Introduction: Meningiomas occurring outside the cerebrospinal axis can be primary at an extracranial site (accounting for 1-2% of all meningiomas), includes head and neck region, mediastinum, skin and soft tissues or secondary extending from an intracranial lesion. Material and methods: A 59 year old female presented with history of headache, left nasal epistaxis on and off and bilateral nasal obstruction. On examination a polypoidal growth was identified in the left nasal cavity, which was resected. Sections were prepared and stained with hematoxylin and eosin. Results: On Histomorphological and Immunohistochemical examination the tumor was identified as meningioma. Discussion: Meningioma are predominantly benign tumors of adults, usually attached to the dura, that arise from the meningothelial cells of the archnoid. These constituting about 13-26% of all primary intracranial tumors. However, primary extracranial meningiomas are very rare, accounting for 1-2% of all meningiomas. Extracranial as well as intracranial meningiomas are more commonly seen in females than males. Conclusion: Nasal and paranasal sinuses are a rare site for the occurrence of meningioma and are therefore a difficult rare entity to be diagnosed. Prognosis of ectopic meningioma is good if excision is complete.

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