Extra-follicular Variant of Adenomatoid Odontogenic Tumor: A Diagnostic Enigma

Adenomatoid odontogenic tumor (AOT) is an uncommon, slow-growing, noninvasive mostly in the anterior maxilla with three well-recognized clinico-pathological variants: follicular, extra-follicular, and peripheral. Extra-follicular variant presents as a well-defined, unilocular, radiolucency between, above, or superimposed on roots of erupted tooth. A 19 years female reported chief complaint loose tooth right front region upper jaw for 6 months, associated firm swelling without pain discharge. On orthopantomogram cone-beam computed tomography, lesion appeared single, localized, roughly oval unilocular flecks radiopacity integrating radicular cervical third 13. Complete surgical enucleation followed by histopathological examination revealed AOT. The extra-follicular AOT can cause diagnostic dilemmas often misdiagnosed cyst.