Abstract
Cystic or neoplastic intraosseous pathologic entities that make a differential diagnosis with odontogenic keratocyst (OKC) share similar clinical characteristics and present as painless volume increase with facial asymmetry, with the mandible being the major site of involvement. Called osteolytic lesions (OL), they have similar radiographic patterns, being radiolucent or hypodense, unilocular or multilocular. The purpose of this paper is to describe the case of a 30-year-old male patient who presented painless volume increase located in the left mandibular region and facial asymmetry with 9 months of evolution. Radiographically, an extensive multilocular radiolucent lesion was observed, without root resorption and dental displacement. A CT scan confirmed the presence of osteolytic tumor with hypodense areas and rupture of the cortical bone. Biopsy confirmed the diagnosis of OKC. In this case, the clinical-behavioral characteristics of the OKC are presented to differentiate it from other OL.
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