Abstract
“Marjolin’s ulcer”refers to malignancies that developed in chronic venous ulcers, scars, or sinuses (1, 2). These malignancies also arise from various scars, including chronic ulcerations, inflammation, and fistulas after a long period of latency. Malignant transformation takes approximately 35 years. The incidence of malignant skin tumors that developed from scar tissue is 0.1-2.5%. Burn scars are the most common lesion causing this malignancy (3). The most common malignancy that arises from a Marjolin’s ulcer is squamous cell carcinoma, whereas basal cell carcinomas are rare. The malignancy is frequently multiple in the floor of an ulcer (3). The pathogenesis of a Marjolin’s ulcer is controversial (1, 3). Ulcer osteomas develop as a result of the heaping up of periosteum and associated subperiosteal sclerosis, and were seen as a knob-like mass protruding from the bone surface (1). These masses are rare in patients with chronic ulcers (1); however, they are frequently seen in patients with tropical ulcers, occurring in form of cutaneous leishmaniasis, which is a skin infection caused by a single-celled parasite that is transmitted by sandfly bites (4). A previous report described gadopentetate dimeglumine-enhanced magnetic resonance imaging (MRI) as a useful tool for evaluating a Marjolin’s ulcer (2). A multidisciplinary approach using three-dimensional computed tomography (CT) and positron emission tomography J Korean Soc Radiol 2011;64:593-598
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