Pediatr Dermatol 2017 May 23. Epub 2017 May 23.
Division of Dermatology, Department of Pediatrics, School of Medicine, Seattle Children's Hospital, University of Washington, Seattle, Washington.
We present the case of a 12-year-old-girl who developed lichenoid dermatitis approximately 1 year after starting leflunomide for juvenile idiopathic arthritis. The eruption resolved promptly with discontinuation of the suspected culprit agent, supportive of a lichenoid drug eruption, but she subsequently developed markedly dystrophic nails with lichen planus-like features. A biopsy of her cutaneous findings at the time of initial presentation demonstrated lichenoid dermatitis, and a nail matrix biopsy was deferred given clinical correlation. Read More