Japanese Journal of Oral and Maxillofacial Surgery
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
Peripheral ameloblastoma
Report of two cases and review of literature
Mitsuhiro NAKAZAWATomoaki KAWAMOTOKinya HIGUCHIMotohiro TSUJINOShunpei YUIToshio SUGAHARAMasayoshi SAKUDATakeshi ISHIDA
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1989 Volume 35 Issue 3 Pages 664-672

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Abstract

Two cases of peripheral ameloblastoma were reported. The first case was a 60 year-old-woman whi complained the tumor formation at 1-5 region lingual gingiva. The second case was a 70 year-old-man who had tumor at 543 palatal gingiva. Both patients were treated by surgical excision of the tumors including underlying bone and surrounding normal soft tissues.
No recurrence was seen in either patient.
In the second case, the findings that peripheral ameloblastoma invaded the underlying bone and that tumor tissues connected to oral surface epithelium were seen in the histopathological examination.
These findings gave suggestions about the treatment and the origin of this tumor. Peripheral ameloblastoma has capacity to invade to underlying bone as central type ameloblastoma, so it is an adequate treatment to excise the tumor including underlying bone. We discussed whether or not peripheral ameloblastoma and basal cell carcinoma of oral mucosa were the same lesion.

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© Japanese Society of Oral and Maxillofacial Surgeons
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