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Article Details
Clinical Image
Volume 5, Issue 1 (January Issue)

Incidental Allergic Fungal Rhinosinusitis-AFRS

Anna-Maria Papadopoulou* and Aikaterini Tsagkovits

Department of Otorhinolaryngology, “G. Gennimatas” General Hospital of Athens, Greece

*Corresponding author: Anna-Maria Papadopoulou, Department of Otorhinolaryngology, “G. Gennimatas” General Hospital of Athens, Greece. E-mail: annamariadc@hotmail.com

Received: December 15, 2022; Accepted: January 02, 2023; Published: January 15, 2023

Citation: Papadopoulou AM, Tsagkovits A. Incidental Allergic Fungal Rhinosinusitis (AFRS). Clin Image Case Rep J. 2023; 5(1): 288.

Abstract

An otherwise healthy 17-year-old Caucasian female presented with a unilateral sinonasal mass, which was incidentally found in a cone beam computed tomography (CT) scan. The patient had an orthodontic prosthesis fitted recently and there was no history of atopy. Nasendoscopy revealed a unilateral polypoid mass and sinus CT scan displayed unilateral heterogenous opacification of all paranasal sinuses with anterior ethmoid bone erosion and maxillary and sphenoid sinus bone thinning and expansion (Figure A). The patient underwent endoscopic sinus surgery, where characteristic eosinophilic mucin was found intraoperatively and was confirmed on histology. There were no signs of invasive infection and marked eosinophilic infiltrate with Charcot-Leyden crystals were reported (Figure B). Fungal staining was positive and microbiology culture identified Alternaria species. The diagnosis of AFRS was confirmed according to Bent and Kuhn’s criteria.

AFRS may present as an incidental radiologic finding, which should be differentiated from sinonasal neoplasms. Endoscopic sinus surgery with total removal of allergic mucin and inflammatory material provides effective treatment.