Case 1

A 33-year-old woman presents to the dermatology clinic with a 2-year history of an enlarging mass on her left foot. The patient reports that the mass was initially painless but has become increasingly painful over the last year. The patient has no medical history of similar lesions and does not remember any trauma to the area. She is in good general health, has never had surgery, and does not take any medication. Her family history is also negative for similar lesions. Findings from the physical examination revealed a firm, hyperpigmented, shiny, multilobulated tumor on the left proximal dorsal foot measuring 3.0 x 2.5 cm.

Can you diagnose the condition in Case 1?

A. Keloid
B. Dermatofibroma
C. Dermatomyofibroma
D. Dermatofibrosarcoma protuberans

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