Corresponding author:Shaju J Pulikkotil, International Medical University, School of Dentistry, Kuala Lumpur, Malaysia 57000
Received: July 24, 2017; Published: August 16, 2017
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Adenomatoid odontogenic tumour (AOT) is a rare slow growing tumour, usually associated with an impacted tooth commonly situated in anterior maxillary region. A 14 year old young female complained of swelling on left side of her face which was increasing progressively in size. Aspiration revealed yellow coloured fluid and radiographically a unilocular radiolucent area was seen associated with an impacted canine. The lesion was suspected to be dentigerous cyst. Enucleation was performed and the excised tissue was sent for histopathological examination. Microscopic examination revealed AOT showing presence of spindle shaped cells and numerous cystic spaces surrounded by cuboidal or columnar cells. Few epithelial cells formed rosette like structure with eosinophillic coagulum in between.The features of both dentigerous cyst and AOT were overlapping in the lesion. Therefore proper clinical, radiographic and histopathological examination is critical for accurate diagnosis and treatment planning for lesions associated with impacted tooth.