1998 年 44 巻 4 号 p. 388-390
We report a case of desmoplastic ameloblastoma in the anterior region of the mandible. The patient was a 44-year-old woman presenting with swelling of the anterior region of the mandible. X-ray examination showed root separation a 3 1 2 1, a cylindroid radiolucent area under the root of 2 + 2, and a honeycomb appearance around this cystic region. A benign tumor was diagnosed clinically, and complete excision was performed with the patient under general anesthesia.
Histopathological examination of the surgical specimen showed a follicular type ameloblastoma with a cystic region and a desmoplastic region. Pathologically, The diagnosis was a hybrid type ameloblastoma.
There has been no evidence of recurrence as of 16 months after the operation.