Squamous cell carcinoma arising in a mandibular cyst: case report.

Introduction: Primary intraosseous squamous cell carcinoma (PIOSCC) is a rare malignant lesion arising within the jawbones, without initial connection with the oral mucosa. This malignant lesion develops from odontogenic epithelium or odontogenic cysts or tumors. Case Report: In this case report, an intraosseous squamous cell carcinoma arising from an odontogenic cyst in a 60-year-old male patient is presented. Conclusion: This case report demonstrates the importance of clinician’s knowledge of malignant potential of odontogenic cyst and the accurate and timely management and treatment of these lesions.