MRI of intranasal pleomorphic adenoma

Hiroaki Fushiki Department of Otolaryngology, University of Toyama, Toyama, JapanCorrespondence[email protected]

, PhD , MD,

Makoto Morijiri Department of Radiology, University of Toyama, Toyama, Japan

Motoyoshi Maruyama Department of Otolaryngology, University of Toyama, Toyama, Japan

Hitomi Motoshima Department of Otolaryngology, University of Toyama, Toyama, Japan

Yukio Watanabe Department of Otolaryngology, University of Toyama, Toyama, Japan

Abstract

A pleomorphic adenoma in the nasal cavity constitutes a rarity. A 48-year-old woman presented with intranasal pleomorphic adenoma revealed by unilateral continuous obstruction and occasional epistaxis. Nasal endoscopy showed a mucosa-covered and opalescent polypoidal mass arising from the left nasal septum. Unlike cases affecting the major salivary gland, magnetic resonance image (MRI) revealed that the mass showed a low signal intensity on T1-weighted image and a heterogeneous, intermediate signal intensity on T2-weighted image. MRI findings can aid in diagnosis and help exclude the possibility of other neoplasms that occur at this site.

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MRI of intranasal pleomorphic adenoma

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MRI of intranasal pleomorphic adenoma

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