Verrucous Hyperplasia

Introduction Verrucous carcinoma (VC) was first described in 1948 by Dr. Ackerman. It is a low-grade cutaneous squamous carcinoma that usually develops in the oral cavity, the anogenital region, and the plantar surface of the foot. Clinically, there is low suspicion for malignancy given the slow growth of VC lesions and their wart-like appearance. Diagnosis can be difficult because of the benign histological appearance with well-differentiated cells and absence of dysplasia. Surgical excision is the only satisfactory form of treatment for plantar VC; however, this becomes difficult given its benign clinical appearance and the pathologic misinterpretation of the lesion as a benign hyperplasia. While there are case reports and retrospective studies of patients with plantar VC in the literature, we present the largest case series of plantar VC within North America, with recurrence despite negative margins. Methods We report on all the plantar VC excised between 2014–2023. We report six cases of VC, their treatment, and their outcomes. Results Six patients obtained a diagnosis of plantar VC by incisional biopsy. All patients underwent excision of their lesions and had negative margins reported on the final pathology. All patients developed nonhealing wounds at the site of their lesion excision; therefore, biopsies were performed to confirm a recurrence. All patients had a recurrence of VC at the initial site. All patients underwent re-excision of the lesions. Despite negative margins again on final pathology, all patients had a subsequent second recurrence. Ultimately, all patients underwent an amputation as definitive management. Each patient had an average of 3 operations. There were 4 different surgeons and different pathologists reporting their findings. Conclusions Our experience with plantar VC suggests that an aggressive approach to surgical management is needed. Furthermore, management is optimized with the combined expertise of an experienced dermatopathologist and surgeon. Despite negative margins and repeated excisions, VC lesions recur and invade local tissues to the extent that only amputation of the involved foot has resulted in cure.

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Kaposi's Sarcoma Misdiagnosed as a Diabetic Plantar Foot Ulcer

Caminiti

Clerici

Quarantiello

et al. 2009

The International Journal of Lower Extremity Wounds

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In this report, the authors describe the case of a patient with Kaposi's sarcoma that was initially misdiagnosed as a plantar ulcer. The ulcer typically appeared as a neuropathic foot ulceration located on the plantar aspect of the first metatarsal head. There was hyperkeratosis on the plantar surfaces of the other metatarsal heads. However, the lesion had mushrooming granulation tissue, without undermined perilesional edges. A wound biopsy revealed the presence of Kaposi's sarcoma. The presence of cancerous lesions on the plantar aspect of the foot is an infrequent event in diabetic patients. However, given the malignant nature of some skin cancers careful clinical examination and biopsy of the wound are advisable.

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Verrucous Hyperplasia

Cited by 6 publications

References 6 publications

Plantar Verrucous Carcinoma

Plantar Verrucous Carcinoma

Verrucous Carcinoma of the Foot

Kaposi's Sarcoma Misdiagnosed as a Diabetic Plantar Foot Ulcer

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