Intraosseous verrucous carcinoma arising from OKC
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The present case has been reported in the journal

A 64-year-old male with a history of tobacco smoking reported to the Department of Oral Medicine and Radiology for the evaluation of 1-year-old painful swelling on the left maxillary alveolus. Past history revealed the extraction of maxillary teeth (22, 23, and 24) 2 years back. After one year of extraction, he developed pain and swelling in that region. On inspection, the overall surface of the swelling was smooth, but some areas showed finger-like proliferations with central areas of necrotic tissue.

The lesion was firm and tender on palpation. Further, the radiographic investigation revealed a well-defined radiolucency measuring 20 mm × 28 mm which was extending from the distal aspects of the left maxillary central incisor to second premolar region.

Axial and coronal sections of the cone-beam computed tomography imaging depicted a large expansile radiolucency involving the maxillary process with thinning of the cortical bone. Looking into the clinical and radiological features, we considered two separate entities, i.e. residual cyst and proliferative verrucous leukoplakia.

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