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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists

CASE REPORT Table of Contents   
Year : 2021  |  Volume : 25  |  Issue : 1  |  Page : 167-170
Peripheral adenomatoid odontogenic tumor of mandible - A synchronous presentation or a subtype?!

Department of Oral Pathology and Microbiology, ESIC Dental College and Hospital, Delhi, India

Correspondence Address:
S Nithya
Department of Oral Pathology and Microbiology, ESIC Dental College and Hospital, Rohini, Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jomfp.jomfp_450_20

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Adenomatoid odontogenic tumor (AOT) with its unique and varied presentations histologically and clinically has always been an enigma. AOTs are multifaceted in their appearance with reports pointing out to its occurrence as a synchronous tumor, a purely cystic variant or with multiple foci; however, the three commonly encountered forms are Follicular/Coronal, Extra Follicular/Extra Coronal and Peripheral variants. Here, we present a subtype of the Peripheral AOT (PAOT) seen synchronous with an intraosseous cystic variant of AOT in a 16-year-old female in the anterior mandible. This case is unique in that a PAOT occurring adjacent to a focally aggressive intraosseous cystic AOT (not associated with impacted tooth) could either be synchronous with no connection to the intraosseous component or could actually be an erupted intraosseous cystic variant with peripheral manifestation. Features of cortical expansion, perforation and displacement of teeth without resorption were seen. Histologically, all the classical features of AOT along with abundant eosinophilic amorphous fibrinous deposits, cellular vacuolization, clearing of cells, dystrophic and reactive bone formation and a cystic lining were seen. Thus, this case of PAOT would add to the myriad presentation of AOT making it one of the most often discussed odontogenic tumor.

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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007