Linear cutaneous hypopigmentation and atrophy associated with intralesional steroid injection: A rarely described adverse reaction.

Intralesional steroid injection is a common and highly effective treatment procedure, which can be successfully used for several dermatologic, rheumatologic, and orthopedic disorders. However, it may be associated with various local side effects, such as pain, granulomatous reaction, allergic reactions, hypo or hyperpigmentation and, uncommonly, skin atrophy. A peculiar and rare side effect of steroid injection is linear hypopigmentation and atrophy, which is probably an expression of lymphatic spread of corticosteroid crystals. Here, we report a case of linear hypopigmentation and atrophy in a 26-year-old male patient.