Two third tumor

• 2/3 in female
• 2/3 in maxilla
• 2/3 anterior jaw
• 2/3 associated with the crown of an impacted tooth

Clinical

• Slow growth
• Asymptomatic

Radiology

• Well defined unilocular lesion – surround crown of an unerupted/impacted tooth
• Radiolucent but small foci of radiopacity
• Expansive but not invasive
• Divergence of roots

Histology

• Intracystic epithelial proliferation – composed of polyhedral/spindle cells forming lobular patterns or syncytia
• Rosettes and duct like structures of columnar epithelial cells
• Small foci of calcification, sheets of epithelial cells around microcyst
• Positive stain: PAS

Management

• Conservative treatment – Enucleation
• Don’t recur – benign and encapsulated

Picture