“…Some type 3 patients appear to improve with better glycemic control. Numerous other therapies including cyclosporin, methotrexate, high-dose penicillin, corticosteroids, prostaglandin E1, D-penicillamine, intralesional hyaluronidase, systemic photochemotherapy with PUVA, bath-PUVA, UVA-1 phototherapy, electron-beam radiotherapy, and extracorporeal photopheresis have been tried in case reports or small case series which ended with limited effect (1,2,(6)(7)(8)(9)(10). Prognosis is largely dependent on the underlying etiology.…”