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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Odontogenkc adenomatoid odontogenic tumour: With respect to the age of the patient and the localization of the AOT in the lower jaw, the reported case is a rare example of this tumor entity.

There are no resorption of the root apices. Case report A year-old man was referred by his general dental practitioner.

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

AOT had been initially described and classified as a variant of the ameloblastoma and has been recognized as a distinct lesion only since pdontogenic Histologically, the tumor is solid and there is a cyst formation Fig.

In Philipsen and Reichart [ 3 ] presented a review based on reports published until which showed some interesting aspects regarding epidemiological figures of this tumor.


Odontogenic tumors in Mexico: Repair of an intrabony defect from an adenomatoid odontogenic tumor.

Radiologically, he showed a 3 cm unicystic radiolucent image with a comparatively clear demarcation. Clinical study and evaluation of treatment results.

Conservative surgical enucleation is the treatment modality of choice. Pathohistological features Remarkably, all variants of AOT show identical histology. The adenomatoid odontogenic tumour AOT: The postoperative course and follow-up were uneventful.

The radiographic findings of AOT frequently resemble other odontogenic lesions such as dentigerous cysts, calcifying odontogenic cysts, calcifying odontogenic tumors, globule-maxillary cysts, ameloblastomas, odontogenic keratocysts and periapical disease [ 10 ]. Br J Oral Maxillofac Surg.

Adenomatoid odontogenic tumor AOT is a rare odontogenic tumor which is often misdiagnosed as odontogenic cyst. Peripheral adenomatoid odontogenic tumor: No root resorption could be observed.

However, a variety of terms have been used to describe this tumor. Interestingly, there are a few reports about pigmented cells in AOT. The AOT was predominantly found in the upper jaw maxilla: Nodular aggregates of cells. Immunhistological features During the last few years several studies have been published dealing with the immunhistological properties of AOT.

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

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: Immunhistochemical localization of amelogenin in human odontogenic tumors, using a polyclonal antibody against bovine amelogenin.


Positive reactions for amelogenin in limited areas in AOT are also reported as well as in ameloblasts and in the immature enamel matrix [ 20 ]. To acquire additional information about AOT, all reports regarding AOT and cited in “pubmed” since onward were reviewed. From the early s onwards 65 single cases of AOT excluding case series of more than 10 cases have been published. Birth of a term.

However, AOT frequently resemble other odontogenic lesions such as dentigerous cysts or ameloblastoma. Adenomatoid odontogenic tumor AOT is a relatively uncommon distinct odontogenic neoplasm that was first described by Steensland in [ 1 ].

Odontogsnic permanent canine are the theeth most often involved in AOTs. All authors were involved in revising the manuscript critically and have given final approval of the version to be published. Only three cases in Japanese patients are reported in which the recurrence of this tumor occurred [ 24 ].