Simultaneous occurrence of a calcifying odontogenic cyst and its malignant transformation

Abstract

The authors report a 48‐year‐old woman with a lesion in the maxilla, where a typical calcifying odontogenic cyst and a malignant tumor occurred simultaneously. She was diagnosed as having a malignant calcifying odontogenic cyst (tumor). The patient died of intracranial extension 20 months after diagnosis. Metastases were not detected. Copyright © 1985 American Cancer Society