Adenomatoid Odontogenic Tumour

 

Epidemiology:

    • Children, teenagers (<30y)
    • Females predilection

 

Common sites:

    • Anterior jaws
    • Associated with impacted teeth

 

Gross features:

    • Well-circumscribed

 

Histologic features:

    • Epithelioid proliferation (odontogenic epithelium)
      • Whorled “balls” of cells within the proliferation
    • Pseudoducts within proliferation
    • Foci of enameloid / dentinoid (eosinophilic, amorphous)

 

Immunophenotype:

Marker:

Sensitivity:

Specificity:

 

 

 

 

Molecular features:

    •  

 

Other features:

    • benign
    • almost never recurs
    • radiology:
      • calcifications

 

References:

    • Mod Surg Path 2003