患者女性,60岁。发现腹部肿块2月余,伴腹痛,纳差,消瘦乏力。查体:左上腹轻压痛,可触及一包块。MRI示胰腺体部见一不规则多房囊性占位影,边界尚清,病灶内尚可见斑片状、点状低信号影。肠系膜上动脉和静脉受压向右后方移位,周围肠管、胃及肝左叶受压。其他实验室检查未见明显异常 Patient female, 60 years old. Abdominal mass more than 2 months, with abdominal pain, anorexia, weight loss and fatigue. Physical examination: left upper quadrant mild tenderness, palpable mass. MRI showed pancreatic body see an irregular polycystic cyst occupying the shadow, the border is clear, lesions are still visible patchy, punctate low signal. Superior mesenteric artery and vein pressure to the right rear shift, around the bowel, stomach and left liver lobe pressure. Other laboratory tests showed no obvious abnormalities