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 AOT was described as a distinct odontogenic tumor by Stafne in From Wikipedia, the free encyclopedia. AOT frequently resembles lesions like dentigerous cyst or ameloblastoma.

The prognosis is excellent in the majority of the cases [ 2310 ]. Report of two cases and survey of cases in Japan. Correspondence should be addressed to Sami El Toum ; bl. Abstract Here we report a case of adenomatoid odontogenic tumor AOT in the maxilla in a young girl aged 14 years and its surgical management. Adenomatoid odontogenic tumor associated with dentigerous cyst of the maxillary antrum: Few cases of AOT, like this case, were described in the literature in association with a maxillary lateral incisor.

It is mostly seen in young patients with a greater predilection for females. Odontogenic tumor with combined odontogeenic of adenomatoid odontogenic odontotenic calcifying epithelial odontogenic tumors. Shafer’s Text book of Oral Pathology. Enucleated specimen showing dentigerous adenomatoid odontogenic tumor attached to the cementoenamel junction of canine Click here to view. The tumor was well encapsulated, and the lateral incisor was easily removed with the lesion Figure 4.


In this case, AOT was associated with the lateral maxillary incisor. Computed tomography findings Well-defined cystic lesions present with impacted premolor and canine.

It is associated with an impacted lateral incisor. Oral and Maxillofacial Pathology.

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But in our case presented, the presence of unilocular cystic lesion, fluid on aspiration, and cystic cavity on transection has to some extent support the terminology adenomatoid odontogenic cyst Odontofenic as termed by Marx and Stern. Extra oral examination There is diffused swelling involving right anterior maxilla with moderate obliteration of nasolabial fold [ Figure 1 ]. A case report and review of literature. The issue of its nature being neoplastic or hamartomatous is still object of diverging opinions, generally based on clinical observations and little scientific evidence.

How to cite this URL: CK14 was detected in the cords of cubic and peripheral polyhedrical cells, as well as in the fusiform and stellated cells adjacent to the solid areas of the tumor.

Between the epithelial cells as well as in the center of rosette-like structures is amorphous eosinophilia material. The odontogenic adenomatoid tumor.

Mandibular adenomatoid odontogenic tumor: Radiographic and pathologic correlation

Data were scored by observing the presence of a brown end product at the site of the target antigen under a light microscope. This stage is called “protective stage of amelogenesis”, which avoids cementoblastic differentiation in the follicle and cementum deposition or “osteodentin” next to the enamel Ten Cate 23 Author information Copyright and License information Disclaimer.


A case report and review of literature. Nil Conflict of Interest: J Oral Pathol Med ; Head Neck Pathol ;5: The characteristic duct-like structures are lined by a single row of columnar epithelial cells, the nuclei of which are polarized away from the central lumen, as was evident in all our cases.

Such characteristics are similar to those of the reduced enamel epithelium REE in the protective and maturation stage of amelogenesis, which led us to work on the hypothesis of the origin of AOT from it.

This article has been cited by. We could justify the absence of the typical adenomatoid structures in the solid nodules forming sheets adenommatoid they could have disappeared for having been gradually compressed by the tumoral mass as it evolved.

Positive controls for each CK and vimentin were used as indicated by the supplier, which labelled, in normal tissues, the following: