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Case Reports in Dermatological Medicine
Volume 2018, Article ID 4192657, 3 pages
Case Report

Mistaken Diabetic Ulcers: A Case of Bilateral Foot Verrucous Carcinoma

1Department of Obstetrics and Gynecology, University of Calgary, Calgary, AB, Canada
2Division of Plastic Surgery, Department of Surgery, University of Calgary, Calgary, AB, Canada
3Department of Pathology & Laboratory Medicine, University of Calgary and Calgary Laboratory Services, Calgary, AB, Canada

Correspondence should be addressed to Jill P. Stone; ac.yraglacu@enotsj

Received 23 August 2017; Accepted 20 December 2017; Published 23 January 2018

Academic Editor: Ravi Krishnan

Copyright © 2018 Vanessa Di Palma et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Verrucous carcinoma (VC) is a rare, low-grade, and well-differentiated variant of squamous cell carcinoma. These tumors are slow-growing and exophytic and have a negligible incidence of metastasis. Treatment is complete surgical resection, ideally by Mohs micrographic surgery, to ensure adequate clear margins. Cutaneous VC predominantly occurs on the plantar surface of the foot and rarely occurs in multiple sites. This case study describes the fourth reported occurrence of bilateral VC of the feet in a woman with chronic diabetic foot ulcers. The case provides further support for persistent wounds contributing to the development of this lesion and describes their role in the characteristic delay in diagnosis of VC.