Mandible & maxilla

Benign epithelial odontogenic tumors

Calcifying epithelial odontogenic tumor



Topic Completed: 1 October 2013

Minor changes: 29 December 2020

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PubMed Search: Calcifying epithelial odontogenic tumor [title]


Nat Pernick, M.D.
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Cite this page: Pernick N. Calcifying epithelial odontogenic tumor. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/mandiblemaxillacalcifyingepithelial.html. Accessed October 20th, 2021.
Definition / general
  • Also called Pindborg tumor
  • Rare
  • Ages 30 - 49 years
  • May also occur within gingiva (peripheral tumor)
  • May be invasive and recur locally, but less aggressive than ameloblastoma
Sites
  • Premolar mandible
  • Often associated with embedded tooth
Radiology description
  • Resembles dentigerous cyst with occasional small radiopacities within large radiolucent area
Treatment
  • Less aggressive than ameloblastoma
Case reports
Microscopic (histologic) description
  • Sheets of polyhedral, eosinophilic squamous epithelial cells with focal psammoma bodies
  • Variable markedly pleomorphic cells with 2 - 3 nuclei
  • Amyloid bodies (containing degenerated keratin filaments)
  • Often scanty stroma, although epithelium / stromal ratio is variable between tumors
  • Clear cell variant has clear vacuolated cytoplasm
Microscopic (histologic) images

Contributed by Kelly Magliocca, D.D.S., M.P.H.
Calcifying epithelial odontogenic tumor

Calcifying epithelial odontogenic tumor

Positive stains
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