Unusual Site for a Common Pathology: Odontogenic Keratocyst of the Maxilla-A Case Report

Abstract Odontogenic keratocyst is an aggressive cystic lesion and a common type of tooth derived cyst due to presence of odontogenic epithelial remnants in different regions of jaw. In majority of cases, it is located in mandibular posterior region. But it can also be found in the maxilla especially in the canine region. OKCs of the maxilla are particularly rare with less than 1% of cases reported in the literature. We present a rare case of OKC in alveolar process of right maxilla at the roots of molar tooth protruding into right maxillary sinus. There can be malignant transformation of this benign condition towards squamous cell carcinoma or ameloblastoma. So an early and accurate diagnosis of odontogenic keratocyst is a challenge for pathologists.