Volume 20, Number 4, December 2008
| | Primary Intraosseous Squamous Cell Carcinoma Derived from Odontogenic Cyst: Case Report and Review of 56 Cases |
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Yosananda Chantravekin,1 Sorasun Rungsiyanont,2 Prasarn Tang,3 Malee Tungpisityotin,4 Somporn Swasdison4
1Faculty of Dentistry, Thammasat University, Patumthani, 2Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, Srinakharinwirote University, Bangkok, and 3Department of Oral and Maxillofacial Surgery and 4Department of Oral Pathology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
Abstract
Primary intraosseous squamous cell carcinoma derived from odontogenic cyst is an uncommon lesion and was designated as odontogenic carcinoma by the World Health Organization. About 60 welldocumented cases of this disease have been reported between 1938 and 2001. This report is of a patient with squamous cell carcinoma arising in a dentigerous cyst in the body of the left mandible. The patient presented with a bony hard swelling with slight pain. Panoramic radiography exhibited a well-defined unilocular radiolucent area with an embedded left lower second premolar. Treatment included wide excision, radical neck dissection, and radiotherapy. Histopathologically, a transitional zone from the cystic epithelial lining to the well-differentiated squamous cell carcinoma was demonstrated. A review of 56 cases of intraosseous squamous cell carcinomas from previous reports is also included.
Key words: Carcinoma, squamous cell, Dentigerous cyst, Odontogenic cysts, Odontogenic tumor, squamous
Asian J Oral Maxillofac Surg. 2008;20:215-220.
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