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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Surg Oncol. 2011 Apr 25;104(2):155–161. doi: 10.1002/jso.21954

Table II.

Tumor Vascular Abutment by CT vs. EUS

Vessel By CT
By EUS
n % n %
PV 4 22.2 4 28.6
SMA 2 11 1 7.1
SMA and SMV 1 5.6 - -
SMV 5 27.8 3 21.4
SMV/PV confluence 3 16.7 2 14.3
none 3 16.7 4 28.6

Total 18 100 14 100

Three patients were not found to have vessel abutment by initial CT or EUS, but abutment was seen when taken for immediate resection; PV = portal vein; SMA = superior mesenteric artery; SMV = superior mesenteric vein