Purpose: Odontogenic cysts and tumors comprise a major component of lesions the oral maxillofacial region. The pathogenesis these involves interaction between odontogenic epithelium ectomesenchyme. However, clinical behavior biological entities is unpredictable. aim this study was to evaluate role Cyclooxygenase 2 (COX-2) in prognostication lesions.Material method: : In formalin-fixed paraffin-...

malignant transformation of ameloblastomas arising from an odontogenic cyst or de novo is wellrecognized. malignancies in ameloblastomas may involve metastasis or a local dysplastic change in the tissue. the latter are classified as ameloblastic carcinomas. a 75-year-old male presented with a mandibular cystic swelling, with no evidence of metastasis. dysplastic ameloblastic cells with spindlec...

PURPOSE Ameloblastoma of the human jaw is an uncommon but clinically significant odontogenic epithelial neoplasm. The aim was to analyze the clinicopathologic characteristics of ameloblastoma in a Malaysian population. MATERIALS AND METHODS This is a retrospective study (1993 through 2008) of consecutive ameloblastoma cases accessioned in 2 main oral pathology diagnostic centers: the Unit of ...