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In systemic sclerosis, digital ulcers and gangrene are somewhat common clinical characteristics of obliterative vasculopathy. These manifestations increase morbidities, such as pain, infections, and acroosteolysis. However, patient responses to the appropriate treatments are often inadequate. We treated a patient with systemic sclerosis who had a refractory digital ulcer and gangrene with bosentan, an endothelin receptor antagonist, and observed improvement. Here we systematically review thisdoi:10.4078/jrd.2016.23.3.193 fatcat:ob5zgcvuebgszb2xapt5wpemka