%0 Journal Article
%T Calcifying cystic odontogenic tumor accompanied by a dentigerous cyst: A case report.
%A Gamoh S
%A Akiyama H
%A Furukawa C
%A Matsushima Y
%A Iseki T
%A Wato M
%A Tanaka A
%A Morita S
%A Shimizutani K
%J Oncol Lett
%V 14
%N 5
%D Nov 2017
%M 29113208
%F 3.111
%R 10.3892/ol.2017.6993
%X A calcifying cystic odontogenic tumor (CCOT) is a proliferation of odontogenic epithelium and scattered nests of ghost cells and calcifications that may form the lining of a cyst, or present as a solid mass. It was previously described by Gorlin et al in 1962 as a calcifying odontogenic cyst. Dentigerous cysts are developmental odontogenic jaw cysts, commonly manifesting in the second and third decades of life. The present study reports an asymptomatic case in a 13-year-old boy who was referred to the outpatient clinic of the Osaka Dental University Hospital (Osaka, Japan) for additional investigation of an area of radiolucency in the lower right jaw. X-ray demonstrated a unilocular, well-circumscribed, radiolucent lesion in the mandible, which measured 30×20 mm, with radiopaque structures within it. Enucleation of the lesion with tooth extraction was performed, which histopathologically revealed features of a CCOT and a cyst. To the best of our knowledge, the occurrence of such a lesion has not been previously identified. The present study examined the significance of the case with a brief review of the literature.