Mandible / maxilla
Benign tumors / tumor-like conditions
WHO classification



Topic Completed: 1 October 2013

Revised: 8 February 2019

Copyright: 2004-2018, PathologyOutlines.com, Inc.

PubMed Search: WHO classification [title] tumors jaw


Nat Pernick, M.D.
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Cite this page: Pernick N. Benign tumors / tumor-like conditions: WHO classification. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/mandiblemaxillawhoclassification.html. Accessed July 22nd, 2019.
Malignant tumors
    1. Odontogenic carcinomas
      • Metastasizing (malignant) ameloblastoma
      • Ameloblastic carcinoma (primary and secondary type)
      • Primary intraosseous squamous cell carcinoma (solid, derived from KCOT and derived from odontogenic cysts)
      • Clear cell odontogenic carcinoma
      • Ghost cell odontogenic carcinoma
    2. Odontogenic sarcoma
      • Ameloblastic fibrosarcoma
      • Ameloblastic fibrodentino and fibro-odontosarcoma
Benign tumors
  • Odontogenic epithelium with mature, fibrous stroma without odontogenic ectomesenchyme
    • Ameloblastoma, solid / multicystic type
    • Ameloblastoma, extraosseous / peripheral type
    • Ameloblastoma, desmoplastic type
    • Ameloblastoma, unicystic type
    • Squamous odontogenic tumor
    • Calcifying epithelial odontogenic tumor
    • Adenomatoid odontogenic tumor
    • Keratocystic Odontogenic tumor - formerly known as OKC (odontogenic keratocyst)
  • Odontogenic epithelium with odontogenic ectomesenchyme, with or without hard tissue formation
    • Ameloblastic fibroma
    • Ameloblastic fibrodentinoma
    • Ameloblastic fibro-odontoma
    • Odontoma, complex and compound
    • Odontoameloblastoma
    • Calcifying cystic odontogenic tumor - formerly known as Gorlin cyst
    • Dentinogenic ghost cell tumor
  • Mesenchyme and / or odontogenic ectomesenchyme with or without epithelium
    • Odontogenic fibroma
    • Odontogenic myxoma / myxofibroma
    • Cementoblastoma
  • Bone related lesions
    • Ossifying fibroma
    • Fibrous dysplasia
    • Osseous dysplasia
    • Central giant cell lesion (granuloma)
    • Cherubism
    • Aneurysmal bone cyst
    • Simple bone cyst
Other tumors
  • Melanotic neuroectodermal tumor of infancy
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