Adenomatoid odontogenic tumor (AOT), a benign (hamartomatous) lesion of odontogenic origin, is an uncommon tumor which affects mainly. Adenomatoid odontogenic tumor (AOT) is a rare odontogenic tumor which is often misdiagnosed as odontogenic cyst. To acquire additional. Adenomatoid odontogenic tumor is a hamartomous benign neoplasia of odontogenic origin. It appears mostly in young patients and females, the maxillary.

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Adenomatoid odontogenic tumor, an uncommon tumor

The unilocular radiolucency is well demarcated with smooth cortical border. Int J Oral Maxillofac Surg ; The debate as to whether AOT is an anomalous hamartomatous growth or a true benign neoplasm has not been settled yet.

A year-old female arenomatoid with a chief complaint of an asymptomatic swelling mass persistent from approximately 12 months on the left maxillary anterior region which increased gradually and achieved the present size of 1.

But more than one tooth may also be related with AOT as noticed in our case analysis wherein permanent incisors, canines, and premolars were involved with the lesion. The so-called combined epithelial odontogenic tumor Clinico.

Adenomatoid odontogenic tumor – Wikipedia

Development and growth of adenomatoid odontogenic tumor related to formation adenlmatoid eruption of teeth. Anteroposteriorly, it extended from the mesial margin of the first premolar up to the distal margin of the second premolar. The evolution of this tumor was followed over 36 months and 24 months after excision. Intraoral examination Figure 2 b revealed a solitary smooth circumscribed swelling of 1.


J Oral Pathol Med. World Health Organization; The expression was variable for CK13, labelling odontogehic disperse cells, generally superficial Figure 5.

Eur J Oral Sciv. Here we report a case of adenomatoid odontogenic tumor AOT in the maxilla in a young girl aged 14 years and its surgical management. Case report and review of literature. Correspondence should be addressed to Sami El Toum ; bl.

Adenomatoid odontogenic tumor

The results for CK7, 18, vimentin, and p53 were negative. This page was last edited on 26 Juneat A light and electron microscopic study of the adenomatoid odontogenic tumor. Cytokeratins in epithelia of odontogenic neoplasms. Laminin, found on the luminal surface of adenomatoid structures, was compatible with the reduced enamel epithelium during the “protective stage of amelogenesis”.

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Immunohistochemical localization of amelogenin in human odontogenic tumors, using a polyclonal antibody against bovine amelogenin. AOT is a benign, painless, noninvasive, and slow-growing tumor that does not infiltrate the bone. Case Report A year-old female consulted with a chief complaint of an asymptomatic swelling mass persistent from approximately 12 months on the left maxillary anterior region which increased gradually and achieved the present size of 1.

The treatment for AOT is conservative and the prognosis has always been good. A surgical exposition of the crown and bonding of a bracket on the maxillary left lateral incisor were adenomatlid planned a coronoplasty of odontpgenic first premolar to a canine shape.


The interesting dysplastic dentin microscopic picture has led the World Health Organization WHO to classify the AOT in the group of neoplasias and other tumors related to the odontogenic apparatus, benign subgroup composed by odontogenic epithelium with ectomesenchyme in the Histological Odonyogenic of Odontogenic Tumors Kramer, et al.

J Oral Maxillofac Surg.

This follicular type of AOT may be impossible to differentiate radiographically from the more common dentigerous cyst. Odontogenic Tumors and allied lesions.

This article has been cited by 1 Adenomatoid odontogenic tumor: It should be differentially diagnosed from a dentigerous cyst and the main difference is that the radiolucency in case of AOT extends apically beyond the cementoenamel junction.

Mostly, AOTs are the central follicular type and appear as well-demarcated radiolucent lesions. The swelling was roughly oval, measuring odontogneic 2.

Adenomatoid odontogenic tumor AOT is an odontogenic epithelial tumor [ 514odohtogenic ] that is more commonly found in young female patients between 10 and 19 years of age.

Nevertheless, the authors believed that some cells of AOT cribriform areas would resemble dental lamina primitive cellswhile others would be histodifferentially more mature secretory phase of odontogenesisdue to a 4 IV chain expression had ocurred on the cribriform areas and hyaline materials. The WHO histological typing of dontogenic tumors:

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