objective to analyze the experiences of the diagnosis and treatment for superior mesenteric vein thrombosis(smvt).

目的：探讨肠系膜上静脉血栓形成的临床诊治经验。

the inferior 1/3 part of the head of the pancreas was drained into the superior mesenteric vein via the anterior and posterior inferior pancreaticoduodenal veins .

胰头下1/3血液通过胰十二指肠下前、后静脉回流到肠系膜上静脉。

objective to discuss the diagnostic and treatment methods of superior mesenteric vein thrombosis.

目的探讨诊治肠系膜上静脉血栓形成方法与治疗。

the segment of the superior mesenteric vein between the two confluences of the gastrocolic vein and ths ileocolic vein is called the 「surgical trunk」.

位于胃结肠静脉和回结肠静脉注入下腔静脉处之间的一段肠系膜上静脉被命名为「外科干」。

the diameters and flow volume as well as blood flow rate of splenic vein and superior mesenteric vein were markedly higher in cirrhosis with hemorrhage than those without hemorrhage.

肝硬化出血组脾静脉、肠系膜上静脉直径增宽、流速加快、血流量明显增多。

results: dissection of mesenteric vessels, lymphadenectomy, and identification of the surgical plane were guided by the landmark of the superior mesenteric vein (smv).

结果：利用中间入路，以肠系膜上静脉为解剖学标志，可成功进行系膜血管的解剖、淋巴结清扫，并进入正确的外科平面。

all uncinate process of pancreas was between the superior mesenteric vein and the inferior vena cava.

的钩突位于肠系膜上静脉和下腔静脉之间。

conclusion: the lower part of the surgical trunk of the superior mesenteric vein is the abouchement of the ileocolic vein and the upper part was the nearest right abouchement from the ileocolic vein.

结论：肠系膜上静脉外科干下端为回结肠静脉汇入点，上端为右侧距回结肠静脉最近的汇入点。

it proved that there were10cases of superior mesenteric artery embolus, 5cases of superior mesenteric arterial thrombosis and2cases of superior mesenteric vein thrombosis.

手术患者经病理证实肠系膜上动脉栓塞10例，肠系膜上动脉血栓形成5例，肠系膜上静脉血栓形成2例。