Abstract
Primary Intraosseous Squamous Cell Carcinoma
Highlights
Primary intraosseous squamous cell carcinoma (PIOSCC) is a rare epithelial odontogenic carcinoma in the jaw .It develops from remnants of the odontogenic epithelium or from an odontogenic cyst or tumor
We report two cases with diagnosis of primary intraosseous squamous cell carcinoma
A tender, diffuse swelling (4cm × 5 cm) was presented involving the buccal and lingual aspects of the edentulous ridge of 45, 46 region extending from mesial side of right mandibular first premolar to right mandibular second molar
Summary
Primary intraosseous squamous cell carcinoma (PIOSCC) is a rare epithelial odontogenic carcinoma in the jaw .It develops from remnants of the odontogenic epithelium or from an odontogenic cyst or tumor. We report two cases with diagnosis of primary intraosseous squamous cell carcinoma. Case 1 A 65-year-oldman was referredto Oral and Maxillofacial medicinedepartment of Dental School ofShiraz University of Medical Science with a complaint of swelling on the right side of the mandible. A tender, diffuse swelling (4cm × 5 cm) was presented involving the buccal and lingual aspects of the edentulous ridge of 45, 46 region extending from mesial side of right mandibular first premolar to right mandibular second molar. Investigations Based on axial and multiplanar images of cone beam CT (CBCT),loss of continuity of buccal and lingual cortical plates of involved right mandible were seen. remnant of bone trabeculawas observed. Based on reconstructed panoramic image, there was a large destructive lesion with an ill defined border in right side of the mandible extending from mesial side of right mandibular canine to the retromolar region.
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