患者 ,男 ,46岁 ,因全身皮肤坏死迁徙性红斑 2个月入院。在当地医院曾按皮肤病予对症处理 ,症状不见好转 ,且皮损进行性加重。查体 :全身皮肤散在红斑丘疹 ,以臀部及下肢为重 ,部分斑疹融合成片 ,可见局部鳞屑状改变及色素沉着。上腹部饱满 ,未扪及包块 ,全腹无压痛。CT示胰腺 Patients, male, 46 years old, had migratory erythema due to systemic skin necrosis 2 months admitted. In the local hospital had to symptomatic treatment of skin diseases, the symptoms did not improve, and the progressive deterioration of skin lesions. Physical examination: systemic skin scattered erythema papules, buttocks and lower extremities as part of the integration of some spots into the film, showing the local scaling changes and pigmentation. Abdominal full, no palpable mass, the whole abdomen without tenderness. CT showed pancreas