Inflammatory myofibroblastic tumor of the nose and paranasal sinuses masquerading as a malignancy

April 30, 2012 by Mohamed Amin, MD, FRCSI; Rohana Ali, AFRCS; Susan Kennedy, MD; Conrad Timon, MD, FRCSI
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Abstract

Inflammatory myofibroblastic tumor (IMT) of the nose and paranasal sinuses is a rare entity that exhibits a diverse histologic pattern that can mimic malignant tumors clinically and radiologically. We present a case of IMT in an 88-year-old man who presented with an aggressive tumor-like lesion in the nose and paranasal sinuses that had a malignant appearance on radiology. We discuss this tumor's clinicoradiologic resemblance to a malignancy, and we review the treatment options following careful histologic and immunohistochemical analysis.

IntroductionInflammatory myofibroblastic tumor (IMT) is a stromal tumor of unknown etiology. Despite being histologically benign, it has locally destructive capabilities.

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