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Actinomycotic Osteomyelitis of the Mandible: A Case Report
J Oral Med Pain 2019;44:140-144
Published online September 30, 2019;  https://doi.org/10.14476/jomp.2019.44.3.140
© 2019 Korean Academy of Orofacial Pain and Oral Medicine

Young-Cheol Lee1, Lee-Rang Lim1, Kyu-Hoon Lee1, Dong-Jun Seo1, Na-Ra Yun2, Ji-Su Oh1, Jae-Seek You1, Hae-In Choi1

1Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Korea
2Division of Infectious Disease, Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, Korea
Correspondence to: Hae-In Choi
Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University , 309 Pilmun-daero, Dong-gu, Gwangju 61452, Korea
Tel: +82-62-220-3810 Fax: +82-62-222-3810 E-mail: beautyluby@hanmail.net https://orcid.org/0000-0002-2425-9506

This study was supported by research fund from Chosun University Dental Hospital, 2018.
Received August 13, 2019; Revised September 1, 2019; Accepted September 1, 2019.
This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Actinomycosis is rare, chronic, slowly progressive disease caused by gram-positive anaerobic organisms from the Actinomycosis family that normally colonizes the oral cavity. Actinomycotic osteomyelitis is even more rare and refractory disease because diagnosis by bacterial culture is not easy. In our case, 80-year-old man visited our clinic with a complaint of swelling and severe sinus tracts without teeth evolvement on anterior mandible. Computed tomography (CT) scan demonstrated erosive bone destruction on anterior mandible, clinically suspected actinomycotic osteomyelitis. The patient also had thoracic actinomycosis on Lt. lower lung. We could diagnosis actinomycosis by histopathologic examination. He treated by conservative surgery and long term antibiotics. After 2 year, no recurrence was seen in CT scan.
Keywords : Actinomycosis; Actinomycotic osteomyelitis