A 45-year-old woman presented with a rapidly changing nevus on her leg ... an 8 mm × 10 mm irregularly shaped two-toned brown papule with ill-defined light brown to pink medial and lower borders ...

The primary lesion is a black papule. There are two very black papules on the patient's right back. A fleshy nevus is also present. Just lateral to the nevus is a tan papule with variegated colors.