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J Oral Maxillofac Pathol. 2012 May;16(2):272-6. doi: 10.4103/0973-029X.99088.

Adenoid ameloblastoma with dentinoid.

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Department of Oral and Maxillofacial Pathology and Microbiology, Yenepoya Dental College, Yenepoya University, Mangalore, India.


Ameloblastomas seldom cause diagnostic difficulties due to classic histopathological presentations. Adenoid ameloblastoma is a rare variant in this category which can cause problem in diagnosis due to the presence of areas resembling adenomatoid odontogenic tumor (AOT) and occurrence of varying degrees of dentinoid formation. In this article, we report a case of adenoid ameloblastoma with dentinoid, which was diagnosed accurately after the third recurrence. To the best of our knowledge, so far, only 13 cases have been reported of tumors that histologically show features of amelobalstoma and AOT with hard tissue formation. The recurrences were due to under diagnosis of the lesion followed by a conservative treatment.


Adenoid ameloblastoma; adenomatoid odontogenic tumor; ameloblastoma; dentinoid

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