title: Digital gangrene in a heavy smoker.
mesh_terms: D003937:Diagnosis, Differential; D005385:Fingers / Q000473:pathology*; D005734:Gangrene / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011928:Raynaud Disease / Q000209:etiology; D012595:Scleroderma, Systemic / Q000150:complications* / Q000175:diagnosis; D012907:Smoking; D013919:Thromboangiitis Obliterans / Q000175:diagnosis