Melanocytic nevus

A 26-year-old male presented with sudden appearance of an asymptomatic, worrisome, blackish papule on the forearm of one month duration. O/E: an irregualr-outlined dark-colored papule about 6 x 4 millimeters in greatest diameters. It has been removed in toto and sent for HP examination. Biopsy showed benign looking melanocytes at the dermoepidermal junction.