J Mal Vascul
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It is estimated that 1 leg ulcer out of 300 is a carcinoma. In the literature ulceration of skin cancer is distinguished from chronic leg ulcers although this later category remains a subject of debate. We examined the clinical features of suspected malignant leg ulcers and discuss the notion of secondary malignant transformation of leg ulcers. ⋯ Malignant transformation of a vascular leg ulcer was not observed in our series, but has been reported in the literature although a critical analysis of reported data is only significant for squamous cell carcinoma. The frequency is probably overestimated. Our series enabled us to identify the clinical circumstances leading to an early diagnosis of carcinoma of the lower limbs. There are three essential criteria: analysis of the vascular status of the patient, the clinical characteristics of the leg ulcer, and its development on a cicatrix.