Figure 1From: Potential effect of Sildenafil beyond pulmonary hypertension in a patient with diffuse systemic sclerosis and cryoglobulinemic vasculitis Purpuric skin rash (small vessel vasculitis) in a 40Â year old female with diffuse cutaneous systemic sclerosis (dcSSc) and pulmonary arterial hypertension (PAH) before (left) and after (right) treatment with sildenafil. Back to article page