Myopericytoma on the nasal turbinate

TL;DR

A rare nasal tumor called myopericytoma was diagnosed and successfully removed in a 67-year-old man, highlighting the importance of considering such tumors in nasal mass cases.

Contribution

This case report adds to the limited literature on myopericytoma by describing its clinical presentation and successful endoscopic excision in the nasal turbinate.

Findings

Myopericytoma was identified histologically as a spindle-shaped tumor arising from the nasal turbinate.

Complete endoscopic excision was performed and is recommended to prevent recurrence.

The case emphasizes the importance of including perivascular tumors in the differential diagnosis of nasal masses.

Abstract

Myopericytoma is a mesenchymal tumour that shares characteristics with other soft tissue tumours including glomus tumours and myofibromas. These pericytic tumours show characteristic perivascular growth patterns (Sbaraglia M, Bellan E, Dei Tos AP. The 2020 WHO classification of soft tissue tumours: news and perspectives. Pathologica 2021;113:70–84. https://doi.org/10.32074/1591-951X-213). Myopericytoma differentiates itself as it tends to have a spindle shape histologically, rather than an epithelioid shape as with the glomus variety. Myopericytoma rarely demonstrate malignant behaviour. A 67-year-old male presented to our clinic with complaints of increased frequency of right sided epistaxis for several months. The epistaxis episodes were controlled with oxymetazoline spray and manual pressure to the nasal tip. Office nasal endoscopy revealed a mass emanating from the anterior end of the right inferior turbinate. Complete excision was performed endoscopically. Histopathological analysis revealed myopericytoma, a rare tumour typically arising from the epithelium or submucosa. This case underscores the need for otolaryngologists to consider perivascular tumours in the differential diagnosis of intranasal masses as complete excision is recommended to avoid recurrence.

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