Flexural Hyperpigmentation With Reticulation in an Adolescent Girl

An adolescent girl with polycystic ovarian syndrome presented with hyperpigmented skin lesions on her neck, upper limbs, and trunk, which had begun 6 months previously as recurrent pruritic erythematous papules that subsided leaving brownish-bluish black hyperpigmentation. What is your diagnosis?

Source: JAMA Dermatology - January 16, 2019 Category: Dermatology Source Type: research