A 41-year-old man from South Asia presented with a several months' history of unilateral nasal obstruction and bleeding. At nasal endoscopy, two strawberry-like, friable, polypoid masses in the upper airways were detected. The patient's clinical trait was compatible with an infectious disease. F-FDG PET/MRI was performed to evaluate the disease extension. Two lesions occupying the nasal cavity and the nasopharynx, slightly hyperintense in T2-weighted sequences, with intense radiopharmaceutical uptake were evidenced. Endoscopic resection was performed with histopathologic diagnosis of rhinosporidiosis, a chronic granulomatous disease caused by Rhinosporidium seeberi. Although rare, rhinosporidiosis should be considered in the differential diagnoses of sinonasal hypermetabolic lesions.

18F-FDG PET/MRI of Rhinosporidiosis of the Upper Airways

Cazzador, Diego
;
Cecchin, Diego;Colangeli, Roberta;Crimì, Filippo;Emanuelli, Enzo
2020

Abstract

A 41-year-old man from South Asia presented with a several months' history of unilateral nasal obstruction and bleeding. At nasal endoscopy, two strawberry-like, friable, polypoid masses in the upper airways were detected. The patient's clinical trait was compatible with an infectious disease. F-FDG PET/MRI was performed to evaluate the disease extension. Two lesions occupying the nasal cavity and the nasopharynx, slightly hyperintense in T2-weighted sequences, with intense radiopharmaceutical uptake were evidenced. Endoscopic resection was performed with histopathologic diagnosis of rhinosporidiosis, a chronic granulomatous disease caused by Rhinosporidium seeberi. Although rare, rhinosporidiosis should be considered in the differential diagnoses of sinonasal hypermetabolic lesions.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3346930
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