患者男 ,49岁 ,农民。因全身皮肤逐渐变黑、增厚、剧痒半年就诊。4年前因患胃癌 (类型不详 )行胃大部切除术 ,术后 2年半情况良好。近半年来感觉右上腹偶有隐痛及进食后隔噎感。同时面部皮肤逐渐变黑 ,头皮增厚 ,脱发伴瘙痒 ,曾外用皮炎平霜无效 ,皮肤黑变蔓延全身 ,陆续出现黄 Patient male, 49 years old, farmer. Due to the gradual darkening of the body’s skin, thickening, itching for six months. Four years ago, gastrectomy was performed on gastric cancer (of unknown type) and it was in good condition 2 and a half years after surgery. In the past six months, I have experienced occasional pain in the right upper abdomen and a sense of estrangement after eating. At the same time, facial skin gradually darkened, scalp thickening, hair loss with itching, had no effect on dermatitis Pingshuang, skin black spread to the body, one after another yellow