Primary Heterotopic Meningioma of Nasal Cavity: Case Report and Literature Review

Ear, Nose, & Throat Journal
Xianwen HuJiong Cai

Abstract

Primary heterotopic meningiomas are lesions that are not associated with a cranial nerve foramen, vertebral canal, or intracranial structure. The most common histopathological subtype is meningeal epithelioma. In clinical practice, primary heterotopic nasal meningioma occurs relatively rarely, and its most common pathological type is psammomatous meningioma, whereas nasal fibrous meningioma is infrequent. In our case, a 31-year-old male patient was admitted to the hospital with "progressive nasal obstruction on the right side for half a year." Computed tomography examination of the paranasal sinuses revealed a polyploid mass in the right nasal cavity. The patient underwent surgical resection of the mass under nasal endoscopy. Histopathological examination confirmed that the mass was an ectopic meningioma of the nasal cavity. The patient was regularly followed up for 2 years without recurrence of the tumor. Primary heterotopic fibrous meningioma of the nasal cavity is clinically rare but should be considered as a differential diagnosis for hemangioma of the nasal cavity, inverted papilloma, and nasal polyp. The final diagnosis is based on pathology and immunohistochemistry analysis results.

References

Jan 1, 1979·ORL; Journal for Oto-rhino-laryngology and Its Related Specialties·R WillénJ Stahle
Feb 1, 1996·Cytopathology : Official Journal of the British Society for Clinical Cytology·J B McCulloughK A Hussein
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Aug 16, 2011·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Scharukh Jalisi
Jan 19, 2012·The Laryngoscope·Dong-Young KimHwan-Jung Roh

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