患者男性,40岁。1994年9月14日因左上腹包块入院。1年前发现左上腹核桃大肿块,呈现渐进性增大。查体:左上腹近中线处触及5×4cm大小包块,活动度大,表面光滑,B超、CT均提示左上腹6×5cm大小混合性包块,不能肯定其来源。同年9月19日在连续硬膜外麻醉下行剖腹探查术,取上腹部正中切口,发现肿块位于胰腺,切开胃结肠韧带,见胰颈部肿块约6×5cm,突向前下方, The patient is male, 40 years old. On September 14, 1994, an upper left abdomen was admitted to the hospital. A large lump in the upper left abdomen was found 1 year ago, showing a progressive increase. Physical examination: The proximal midline of the left upper abdomen touched a 5×4 cm mass with large motion and a smooth surface. B-mode ultrasound and CT scans all suggest mixed masses of 6×5 cm in the left upper abdomen. On September 19 of the same year, under continuous epidural anesthesia, laparotomy was performed. A midline incision was made on the abdomen. The mass was found in the pancreas and the appetite of the colostomy was cut. The pancreatic neck mass was approximately 6×5 cm, and it protruded forward and downward.