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Table 1 Classification of Primary Intraosseous Carcinoma

From: Central Mucoepidermoid carcinoma of mandible – A case report and review of the literature

Type 1: PIOC exodontogenic cyst
Type 2A: Malignant ameloblastoma
Type 2B: Ameloblastic carcinoma arising de novo, exameloblastoma or exodontogenic cyst
Type 3: PIOC arising de novo
   a) Keratinising type
   b) Nonkeratinising type
Type 4: Intraosseous mucoepidermoid carcinoma.
  1. Reprinted from International Journal of Oral and Maxillofacial Surgery, Volume No.30, Thomas G et al, Primary intraosseous carcinoma of the jaw. Report of two new cases and pooled analysis of world literature, 349–55, 2001, by permission of the publisher Churchill Livingston.