Adenomatoid Odontogenic Tumour of the Maxilla – A Case Report with Review. 1 Reader. Dept of Oral Medicine and Radiology. SRM Dental College. Adenomatoid odontogenic tumour is a benign (hamartomatous), noninvasive lesion with slow but progressive growth. The 3 variants — follicular, extrafollicular . 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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Clinical features Clinical features generally focus on complaints regarding a missing tooth.

Beyond it our case supports the above mentioned general description of AOTs. Br J Oral Maxillofac Surg. The postoperative course and follow-up were uneventful. With respect to the age of odonyogenic patient and the localization of the AOT in the lower jaw, the reported case is a rare example of this tumor entity.

No root resorption could be observed. However, a variety of terms have been used to describe this tumor. Finally, Gao et al. However, AOT frequently resemble other odontogenic lesions such as dentigerous cysts or ameloblastoma. Immunhistochemical localization of amelogenin in human odontogenic tumors, using a polyclonal antibody against bovine adenomwtoid. J Oral Maxillofac Surg. National Center for Biotechnology InformationU. The mean age was Many different names like adenoameloblastoma, ameloblastic adenomatoid tumor, adamantinoma, epithelioma adamantinum or teratomatous odontoma have been used before to define the lesion currently called AOT.

For radiological diagnose the intraoral periapical radiograph seems to be more adenoamtoid than panoramic.

Unerupted permanent canine are the theeth most often involved in AOTs. After the operation, the specimen was fixed in 4 per cent formal saline and prepared for histological examination.


Pigmented lateral periodontal cyst and other pigmented odontogenic lesions. A case of multiple AOT-like jawbone lesions in a young patient-a new odontogenic entity? Authors have analyzed the last 30 orontogenic of international literature and present hereby two cases of a rare neoplasm of the maxillary bones: Beside an uneventful medical history the patient presented no conspicuous intraoral clinical findings except the absence of the tooth Whereas the follicular variant odontogennic a well-circumscribed unilocular radiolucency associated with the crown and often part of the root of an unerupted tooth, the radiolucency of the extrafollicular type is located between, above or superimposed upon the roots of erupted permanent teeth [ 3 ].

From the early s onwards 65 single cases of AOT excluding case series of more than 10 cases have been published.

Immunhistological features During the last few years several studies have been published dealing with the immunhistological properties of AOT.

All authors disclaim any financial or non-financial interests or commercial associations that might pose or create a conflict of interest with information presented in this manuscript. Treatment and prognosis Conservative surgical enucleation is the treatment modality of choice.

This article describes two cases concerning two young female patients who presented at our Department in the period comprised between December and February with an asymptomatic swelling with a slowly growing lesion: Journal List Head Face Med v.

All authors were involved in revising the manuscript critically and have given final approval of the version to be published. Received Mar 25; Accepted Aug Repair of an intrabony defect from an adenomatoid odontogenic tumor.

This article has been cited by other articles in PMC. Rings of columnar cells give rise to duct-like appearance Fig. Published online Aug This neoplasm is an amartomatous, non-invasive lesion with slow but progressive growing.


Adenomatoid Odontogenic Tumour: Review and Case Report

In addition, in one recently reported case MRI was useful to distinguish AOT from other lesions, even if it is difficult on periapical ordinal radiographies [ 10 ]. Conservative surgical enucleation is the treatment modality of choice. Open in a separate window. Under general anesthesia the lesion was enucleated and afterwards filled with pelvic spongiosa. The postoperative course was uneventful.

The tooth 43 is located on the floor of this process.

Adenomatoid odontogenic tumor of the mandible: review of the literature and report of a rare case

Odontogenic tumors and neoplastic-like changes of the jaw bone. A year-old man was referred by his general dental practitioner. Cite this article as. The histopathological report after surgery confirmed the diagnosis odontogenc AOT.

Displacement of neighbouring teeth due to tumor expansion is much more common than root resorptions.

No resorption of the root apices was observed Fig. Nodular aggregates of cells.

Italian Journal of Maxillofacial Surgery 2008 December;19(3):131-6

The lesion usually present as asymptomatic swelling which is slowly growing and often associated with an unerupted tooth. Racial odontlgenic probably plays an important role in such cases [ 1617 ]. It is predominantly found in young and female patients, located more often in the maxilla in most cases associated with an uneruppted permanent tooth.

However, all of these reported lesions did not show macroscopically visible pigmentation.