Granulomatous slack skin presenting as diffuse poikiloderma and necrotic ulcers, with features of granulomatous vasculitis and response to oral prednisone, acitretin, and oral psoralen plus ultraviolet light therapy-A case report

肉芽肿性皮肤松弛，表现为弥漫性异色性皮炎和坏死性溃疡，伴有肉芽肿性血管炎的特征，对口服泼尼松、阿维A酸、口服补骨脂素联合紫外线疗法有反应——病例报告