Painful Mandibular Mass Associated with a Molar

The following Case Challenge is provided in conjunction with the American Academy of Oral and Maxillofacial Pathology.

A 28-year old male had undergone extraction of tooth #17 secondary to pain and swelling in the area. He continued to experience symptoms for 6 months, developing a large painful mass of the left posterior mandible with facial swelling.

After you have finished reviewing the available diagnostic information, make the diagnosis.