Imaging Sci Dent.  2020 Dec;50(4):359-363. 10.5624/isd.2020.50.4.359.

Ameloblastic carcinoma of the mandible: A case report

  • 1Department of Oral and Maxillofacial Radiology, School of Dentistry, Pusan National University, Yangsan, Korea


Ameloblastic carcinoma is a rare odontogenic malignant tumor with the histologic features of both ameloblastoma and carcinoma. It occurs more frequently in the mandible than in the maxilla and it may appear de novo or develop from a preexisting ameloblastoma or odontogenic cyst. Rapidly progressing, painful swelling is the most common symptom, and radiographically, it shows significant bone resorption and cortical perforation. This report described a case of ameloblastic carcinoma in a 45-year-old man who presented with swelling in the left mandible. The lesion showed combined features of benign findings, such as an expansile cortex with a distinct border, and malignant findings, such as a large exophytic mass with frank bone resorption. Excisional biopsy was performed and a final diagnosis of ameloblastic carcinoma was made.


Ameloblastoma; Mandibular Neoplasms; Radiography; Panoramic
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