Becker's nevus (Becker's melanosis, Becker's pigmentary hamartoma, nevoid melanosis, pigmented hairy epidermal nevus)
Are You Confident of the Diagnosis? Becker’s nevus is a cutaneous hamartoma composed of hair follicles and arrector pili muscles and is not a true nevomelanocytic lesion. Hence the term, Becker’s nevus, is actually a misnomer. The diagnosis of Becker’s nevus is typically made clinically, although a biopsy may be necessary in some cases to…