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

Authors

  • Sarju Shrestha B. P. Koirala Institute of Health Sciences, Dharan, Nepal https://orcid.org/0000-0002-4106-7987
  • Jyotsna Rimal B. P. Koirala Institute of Health Sciences, Dharan, Nepal
  • Iccha Kumar Maharjan B. P. Koirala Institute of Health Sciences, Dharan, Nepal
  • Pragya Regmee B. P. Koirala Institute of Health Sciences, Dharan, Nepal
  • Abhinaya Luitel B. P. Koirala Institute of Health Sciences, Dharan, Nepal
  • Mehul Rajesh Jaisani B. P. Koirala Institute of Health Sciences, Dharan, Nepal
  • Chandrakant Paswan Narayani Sub-regional Hospital, Birgunj, Nepal
  • Ashish Shrestha B. P. Koirala Institute of Health Sciences, Dharan, Nepal

DOI:

https://doi.org/10.3126/jbpkihs.v5i2.43747

Keywords:

Adenomatoid odontogenic tumor, Cone-beam computed tomography, Extra-follicular, Swelling

Abstract

Adenomatoid odontogenic tumor (AOT) is an uncommon, slow-growing, noninvasive odontogenic tumor 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 in between, above, or superimposed on the roots of an erupted tooth. A 19 years female reported with the chief complaint of a loose tooth in the right front region of the upper jaw for 6 months, associated with firm swelling without pain or discharge. On orthopantomogram and cone-beam computed tomography, the lesion appeared as a single, localized, well-defined, roughly oval unilocular radiolucency with flecks of radiopacity integrating radicular and cervical third of 13. Complete surgical enucleation followed by histopathological examination revealed the lesion as AOT.

The extra-follicular AOT can cause diagnostic dilemmas and is often misdiagnosed as an odontogenic cyst.

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Author Biographies

Sarju Shrestha, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Medicine and Radiology, College of Dental Surgery

Jyotsna Rimal, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Medicine and Radiology, College of Dental Surgery

Iccha Kumar Maharjan, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Medicine and Radiology, College of Dental Surgery

Pragya Regmee, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Medicine and Radiology, College of Dental Surgery

Abhinaya Luitel, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Medicine and Radiology, College of Dental Surgery

Mehul Rajesh Jaisani, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral and Maxillofacial Surgery, College of Dental Surgery

Chandrakant Paswan, Narayani Sub-regional Hospital, Birgunj, Nepal

Department of Dentistry

Ashish Shrestha, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Department of Oral Pathology, College of Dental Surgery

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Published

2022-12-31

How to Cite

Shrestha, S., Rimal, J., Maharjan, I. K., Regmee, P., Luitel, A., Jaisani, M. R., Paswan, C., & Shrestha, A. (2022). Extra-follicular Variant of Adenomatoid Odontogenic Tumor: A Diagnostic Enigma. Journal of BP Koirala Institute of Health Sciences, 5(2), 52–56. https://doi.org/10.3126/jbpkihs.v5i2.43747

Issue

Section

Case Reports