1 病例介绍 患者:男性,57岁。因间断上腹部不适,进行性消瘦2个月就诊。查体:体质消瘦,于右侧锁骨中线外侧2cm第5肋间可触及一2cm×2.5cm×1cm大小肿物,质硬,界线清楚,活动好,同皮肤明显粘连,无红肿,有压痛。上腹部有压痛,剑突下明显,无反跳痛及肌紧张,未触及包块。辅助检查:血、尿、便常规及肝肾功能无异常。B超报告:胰头界线不清,于胰 1 Case Introduction Patient: Male, 57 years old. Due to intermittent abdominal discomfort, 2 months of progressive weight loss treatment. Physical examination: physical weight loss, in the right side of the midclavicular line 2cm 5th intercostal space can reach a 2cm × 2.5cm × 1cm size tumor, hard, clear boundary, good activity, obvious adhesion with the skin, no redness, tenderness. There was tenderness in the upper abdomen, obvious under the xiphoid, no rebound tenderness and muscle tension, and no mass was touched. Auxiliary examination: no abnormalities in blood, urine, routine and liver and kidney function. B-Report: The borderline of the pancreatic head is unclear