Mucormycosis (Mucor fungus ball) of the maxillary sinus | Ear, Nose & Throat Journal Skip to content Skip to navigation

Mucormycosis (Mucor fungus ball) of the maxillary sinus

| Reprints
October 18, 2014
by Hang Sun Cho, MD; Hoon Shik Yang, MD, PhD; Kyung Soo Kim, MD, PhD

Abstract

A fungus ball is an extramucosal fungal proliferation that completely fills one or more paranasal sinuses and usually occurs as a unilateral infection. It is mainly caused by Aspergillus spp in an immunocompetent host, but some cases of paranasal fungal balls reportedly have been caused by Mucor spp. A Mucor fungus ball is usually found in the maxillary sinus and/or the sphenoid sinus and may be black in color. Patients with mucormycosis, or a Mucor fungal ball infection, usually present with facial pain or headache. On computed tomography, there are no pathognomonic findings that are conclusive for a diagnosis of mucormycosis. In this article we report a case of mucormycosis in a 56-year-old woman and provide a comprehensive review of the literature on the “Mucor fungus ball.” To the best of our knowledge, 5 case reports (8 patients) have been published in which the fungus ball was thought to be caused by Mucor spp.

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