Up-to Date Review And Case Report

A case of large adenomatoid odontogenic tumor in the posterior region of the mandible showing root resorption

¹ Department of Oral Maxillofacial Surgery, Dokkyo Medical School of Medicine Chief, 880 Kita-Kobayashi Mibu, Tochigi 321-0293, Japan
² Department of Oral and Maxillofacial Surgery, Graduate School of Medicine, Yamaguchi University (Chief: Prof. Yoshiya Ueyama), Minami-kogushi 1-1-1, Ube City, Yamaguchi 755-8505, Japan
³ Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University (Chief: Prof. Hitoshi Nagatsuka), Okayama 700-8525, Japan

^* Correspondence: fujita-a@dokkyomed.ac.jp

Received: 7 July 2020
Accepted: 22 September 2020

Abstract

Introduction: Adenomatoid odontogenic tumor (AOT) is a rare tumor of epithelial origin, and usually presents as a unilocular radiolucency in the maxillary anterior region in adolescent females. Observation: A 31-year-old Japanese male, having a large adenomatoid odontogenic tumor from the right molar region to the left anterior region of the mandible showing root resorption of the neighboring teeth, was presented to the hospital. The lesion was totally resected under general anesthesia. Commentary: AOT may cause displacement of the neighboring teeth. But root resorption is a very rare finding. AOTs are relatively small in size. Conclusion: The patient was under follow-up and had not shown any signs of recurrence 12 months after surgery.