Adenomatoid odontogenic tumor explained
The adenomatoid odontogenic tumor is an odontogenic tumor[1] arising from the enamel organ or dental lamina.
Signs and symptoms
Two thirds of cases are located in the anterior maxilla, and one third are present in the anterior mandible.[2]
Two thirds of the cases are associated with an impacted tooth (usually being the canine).
Diagnosis
On radiographs, the adenomatoid odontogenic tumor presents as a radiolucency (dark area) around an unerupted tooth extending past the cementoenamel junction.
It should be differentially diagnosed from a dentigerous cyst and the main difference is that the radiolucency in case of AOT extends apically beyond the cementoenamel junction.
Radiographs will exhibit faint flecks of radiopacities surrounded by a radiolucent zone.
It is sometimes misdiagnosed as a cyst.[3]
Treatment
Treatment can involve enucleation.[4]
Epidemiology
It is fairly uncommon, but it is seen more in young people. Two thirds of the cases are found in females.[5]
Notes and References
- Nigam S, Gupta SK, Chaturvedi KU . Adenomatoid odontogenic tumor - a rare cause of jaw swelling . Braz Dent J . 16 . 3 . 251–3 . 2005 . 16429194 . 10.1590/S0103-64402005000300015. free .
- Nonaka CF, de Souza LB, Quinderé LB . Adenomatoid odontogenic tumour associated with dentigerous cyst--unusual case report . Rev Bras Otorrinolaringol (Engl Ed) . 73 . 1 . 129–31 . 2007 . 17505612 . 10.1016/s1808-8694(15)31135-6. 9443530 . free .
- Handschel JG, Depprich RA, Zimmermann AC, Braunstein S, Kübler NR . Adenomatoid odontogenic tumor of the mandible: review of the literature and report of a rare case . Head Face Med . 1 . 3 . August 2005. 16270916 . 1266042 . 10.1186/1746-160X-1-3 . free .
- Vasconcelos BC, Frota R, Cardoso AB, Porto GG, Carneiro SC . Adenomatoid odontogenic tumor . Braz J Otorhinolaryngol . 74 . 2 . 315 . 2008 . 18568215 . 10.1016/s1808-8694(15)31107-1. 9442120 . free .
- Web site: Odontogenic tumors . 2009-01-04 . dead . https://web.archive.org/web/20110720111746/http://www.dental.washington.edu/case_of_month/dec08/tumors.html . 2011-07-20 .
