Odontogenic keratocysts of the jaw 2009-10-27T02:26:31Z Keratocystic odontogenic tumour Keratocystic odontogenic tumor (KCOT) most commonly affects the mandible, but may also be localized in the maxilla. A benign uni- or multicystic, intraosseous tumor of odontogenic origin, with a characteristic lining of parakeratinized stratified squamous epithelium and potential for aggressive, infiltrative behavior. Keratocystic odontogenic tumor HP:0010603 UMLS:C1708604 Keratocysts of the jaw Odontogenic neoplasm