A 75-year-old African American woman presented to the clinic with a history of a slowly growing asymptomatic nodule on the right anterior scalp over a few months. Physical exam revealed a hyperpigmented, grey to black, solitary nodule of the right anterior frontal scalp with no secondary epidermal changes (Figure 1). She denied any personal or family history of skin, visceral, or hematologic cancers. Punch biopsy was done for further evaluation and gross specimen demonstrated a solid black dermal mass.
What Is The Diagnosis?
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