الفهرس 
Acknowledgement
Anatomy of the Venous system of the intestine Superior Mesenteric vein.Only 14 pages are availabe for public view
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Abstract
This study we conducted on 30 patients complaining of mesenteric venous thrombosis who were admitted to General Surgery department in Assiut University Hospitals over span of one year (from December 2017 to December2018) • The age of the studied patients was range from 40 to 70 years old. • With 22(73, 34%) of 30 patients are males and 8 (26.67%)females.
• 13 (43.3%) of the studied patients had liver cirrhosis and 4 (13.3%) had diabetes and 5(16.6%) had cardiac risk factors for MVT. • 23 (76.6%) of studied patients were managed as conservative treatment by anti-coagulant initially and about 7 (23.3%) were managed by surgical intervention either resection and anastomosis or stoma. •3 (10%) of the surgical group were managed surgically by resection and anastomosis and about 4 (13.3%) of were managed surgically by resection and stoma. In summary, surgical exploration in acute MVT is appropriate to be limited to the patients with definite signs of bowel infarction; in equivocal patients, anticoagulation for potentially reversible bowel ischemia could be an appropriate management technique to prevent or limit future bowel resection .Of course, patients undergoing conservative management need to be closely observed for evidence of clinical deterioration.