“… 1 It arises over scar tissue, particularly after burns, occurring in 0.7% to 2% of these lesions. 1 , 2 , 3 Clinically, the lesions arise over previous scarring, as a non-healing, ulcerated or hardened, rapidly growing lesion that may become exophytic and bleeding. The most frequent histopathological type of neoplasia arising in Marjolin ulcers is squamous cell carcinoma (80%–90%), followed by basal cell carcinoma (9.6%) and, rarely, melanoma (2.4%).…”