What is a common feature of a calcifying epithelial odontogenic tumor?

A calcifying epithelial odontogenic tumor, also known as an amyloid tumor, is characterized by unique histological features that include the presence of calcifications and keratin. One of the hallmark radiographic features of these tumors is the scalloped margins, which are often seen with a mixed radiolucent-radiopaque appearance. This pattern arises due to the tumorous areas that contain both calcified and uncalcified components, leading to this distinctive appearance on imaging studies.

The presence of scalloped margins is significant because it can help differentiate this type of tumor from other odontogenic lesions, reinforcing its diagnosis. The mixed radiolucent-radiopaque nature indicates varying densities within the tumor, consistent with areas of mineralization alongside softer tissue.

Recognizing these features is vital for accurate diagnosis and subsequent treatment planning, making it an essential concept for those preparing for the ADEX OSCE exam.