Evaluation of entire gastric fundic and esophageal varices secondary to posthepatitic cirrhosis: portal venography using 64-row MDCT |
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Authors: | Tian-wu Chen Zhi-gang Yang Xiao Li Qi-ling Wang Ling-ling Qian Rui-rong Wang |
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Institution: | (1) Department of Radiology, West China Hospital of Sichuan University, 37# Guo Xue Xiang, Chengdu, Sichuan, 610041, China;(2) Department of Radiology, North Sichuan Medical College, 234# Fu Jiang Road, Nanchong, Sichuan, 637007, China;(3) State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, 37# Guo Xue Xiang, Chengdu, Sichuan, 610041, China;(4) Department of Gastroenterology, West China Hospital of Sichuan University, 37# Guo Xue Xiang, Chengdu, Sichuan, 610041, China; |
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Abstract: | Background: There are no reports regarding entire gastric fundic and esophageal varices evaluated with 64-row multidetector CT (MDCT).
We attempt to clarify the feasibility of portal venography with this scanner in evaluation of these varices. Methods: A total of 33 patients, with clinically confirmed gastric fundic and esophageal varices secondary to posthepatitic cirrhosis,
underwent thoracicoabdominal triphasic enhancement scans using 64-row MDCT along with conventional angiographic portography.
CT portography and conventional portography were compared by statistical agreement to determine whether CT maximum intensity
projection (CT-MIP) portography is useful in evaluation of entire gastric fundic and esophageal varices. Results: CT-MIP portography demonstrated gastric fundic and esophageal varices, and the inflowing and outflowing vessels of the varices.
Gastric fundic varices were shown in 32 cases (97.0%), and esophageal varices were in 27 (81.8%). The inflowing vessels including
the left gastric vein and posterior gastric vein/short gastric vein were illustrated in 31 (94.0%) and 17 (51.5%) cases, respectively.
The outflowing vessels including the azygos vein, hemiazygos vein, and gastro-renal shunts were seen in 30 (90.9%), 8 (24.2%),
and 12 (36.4%) cases, respectively. Findings of CT-MIP portography and conventional angiographic portography were in close
agreement (Kappa value ranged from 0.621 to 1.000). Conclusion: CT-MIP venography with 64-row MDCT could be considered as a method for detecting entire gastric fundic and esophageal varices
developed from posthepatitic cirrhosis. |
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