This relatively small (1 cm), pigmented nodule of uncertain duration was noticed on the left arm of a 57-year-old man with a history of skin cancer. What do you suspect here?

This relatively small (1 cm), pigmented nodule of uncertain duration was noticed on the left arm of a 57-year-old man with a history of skin cancer.

What do you suspect here?

A. Dysplastic nevus

B. Melanoma

C. Pigmented basal cell carcinoma

D. Seborrheic keratosis

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Nodule With Dark Black Pigmentation: Your Dx?

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