Nasal Cavity Actinomycosis Mimicking Rhinolith

Actinomycosis is a subacute-to-chronic bacterial infection caused by filamentous, gram-positive, non-acid-fast, anaerobic-to-microaerophilic bacteria. It is characterized by continuous spread, suppurative and granulomatous inflammation, and formation of multiple abscesses and sinus tracts that may discharge sulfur granules. Although the most common clinical forms of actinomycosis are cervicofacial, involvement of the nose and paranasal sinuses are extremely rare. Furthermore, nasal cavity actinomycosis mimicking rhinolith has not been reported in the literature previously. This article reports a patient of nasal cavity actinomycosis causing symptoms similar to those of a rhinolith, which was successfully treated by surgical debridement and antibiotic therapy. Address correspondence and reprint requests to Kyu-Sup Cho, MD, PhD, Department of Otorhinolaryngology, Pusan National University School of Medicine, Pusan National University Hospital, 179 Gudeok-Ro, Seo-gu, Busan 602-739, Republic of Korea; E-mail: choks@pusan.ac.kr Received 12 September, 2017 Accepted 18 October, 2017 The authors report no conflicts of interest. © 2018 by Mutaz B. Habal, MD.

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