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- W2978436246 abstract "Objective To explore the diagnostic value of the three-phase multidetector CT(MDCT) in vascular involvement of pancreatic ductal adenocarcinoma. MethodsThe clinical data and CT studies of 82 patients with surgery and pathologically proved pancreatic ductal adenocarcinoma were analyzed retrospectively, and the vascular invasion based on CT signs were analyzed and compared to the results of surgery or pathology. The positive predictive values of unresectable tumors can be obtained. ResultsesultsAt MDCT exploration, 157 of 492 vessels were invaded by tumors, including 64 cases of arterial invasion and 93 cases of venous invasion. The invaded major peripancreatic arteries and veins presented different MDCT signs: 39% of the invaded veins(36/93) were surrounded by the tumor more than 50% of the vessel circumference, while 97%(60/64) of the invaded arteries, which were surrounded by tumors more than 50% of the vessel circumference or embedded in tumors(χ2=12.85, p0.05). 67%(62/93) of the invaded veins and 35%(26/64) of the invaded arteries had vascular stenosis or obliteration(χ2=9.62, p0.05). Irregularity of the vein wall(70%, 65/93) occurred more often than that of the artery wall(42%, 13/64)(χ2=10.78, p0.05). 21 cases were resectable tumors, and 61 cases were unresectable tumors, and the positive predictive values of unresectable tumors is 98%. Conclusion Three-phase dynamic MDCT can be used to diagnose the vascular involvement of pancreatic ductal adenocarcinoma, and evaluate the unresectable tumors accurately." @default.
- W2978436246 created "2019-10-10" @default.
- W2978436246 creator A5042619302 @default.
- W2978436246 date "2014-01-01" @default.
- W2978436246 modified "2023-09-23" @default.
- W2978436246 title "Diagnosis of Peripanereatic Vascular Invasion of Pancreatic Ductal Adenocarcinoma with Three-phase MDCT" @default.
- W2978436246 hasPublicationYear "2014" @default.
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