Large calcifying odontogenic cyst in the posterior maxilla

ABSTRACT

The occurrence of calcifying odontogenic cyst (COC) in the posterior maxillary region is uncommon, with few cases described in literature. We report a case of a 13-year-old female patient presenting a large lesion in the left maxilla (> 7.5 cm). Panoramic radiograph showed a well-delimited radiolucent unilocular lesion extending from the posterior left maxilla to the maxillary sinus. The patient was submitted to decompression followed by conservative surgical removal of the lesion. Histological analysis of the surgical specimen confirmed the diagnosis of COC. After one year, no local recurrence has been observed and the patient remains under follow-up on a regular basis.