• J Formos Med Assoc · Aug 2015

    Case Reports

    Intraosseous verrucous carcinoma arising from an infected dentigerous cyst-A case report.

    • Chih-Yu Peng, Yu-Feng Huang, Ming-Yi Lu, Yu-Hsien Lee, and Chuan-Hang Yu.
    • School of Dentistry, College of Oral Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Dentistry, Oral Medicine Center, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC.
    • J Formos Med Assoc. 2015 Aug 1; 114 (8): 764-8.

    AbstractIntraosseous verrucous carcinoma (IOVC) arising from an odontogenic cyst is extremely rare. We report a case of intraosseous verrucous carcinoma in a 74-year-old male who presented with a left mandibular swelling with recurrent pus discharge from gingiva of tooth #35. Panoramic radiography revealed an impacted tooth #34 and a large well-defined, radiolucent lesion surrounding the crown of tooth #34. The clinical diagnosis was an infected dentigerous cyst. Surgical excision of the cyst together with extraction of tooth #34 was performed. Histopathological examination showed proliferation of hyperparakeratotic stratified squamous cyst lining epithelium and down-growth of broad and bulbous epithelial ridges with pushing border invasion into the fibrous cystic wall. A verrucous carcinoma arising from an infected dentigerous cyst was diagnosed. There was no recurrence of the tumor 5 months after surgery. Copyright © 2012. Published by Elsevier B.V.

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