ABERRANT GASTRIC VENOUS DRAINAGE IN CIRRHOTIC LIVERS - IMAGING FINDINGS IN FOCAL AREAS OF LIVER PARENCHYMA

被引:55
作者
MATSUI, O [1 ]
KADOYA, M [1 ]
YOSHIKAWA, J [1 ]
GABATA, T [1 ]
TAKAHASHI, S [1 ]
UEDA, K [1 ]
KAWAMORI, Y [1 ]
TAKASHIMA, T [1 ]
NAKANUMA, Y [1 ]
机构
[1] KANAZAWA UNIV,SCH MED,DEPT PATHOL 2,KANAZAWA,ISHIKAWA 920,JAPAN
关键词
LIVER; BLOOD SUPPLY; CIRRHOSIS; VEINS; GASTRIC;
D O I
10.1148/radiology.197.2.7480675
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
PURPOSE: To analyze imaging findings in focal areas of liver parenchyma with aberrant gastric venous drainage (AGVD) in cirrhotic livers. MATERIALS AND METHODS: Eighteen patients with AGVD confirmed with computed tomography (CT) during arterial portography and arteriography underwent ultrasound (US) (n = 18), CT (n = 18), magnetic resonance (MR) imaging (n = 12), dynamic CT (n = 14), and dynamic MR imaging (n = 8). Imaging and histologic (n = 2) findings were analyzed. RESULTS: The focal area with AGVD was hypoechoic on US scans (n = 7), hypoattenuating on CT scans (n = 4), hyperintense on T1-weighted MR images (n = 6), and hypointense on T2-weighted MR images (n = 5). Early enhancement was seen with dynamic CT (n = 8) and with dynamic MR imaging (n = 6), without definite staining on arterial phase of arteriography. Histologic findings revealed hyperplastic changes of liver. CONCLUSION: The imaging findings, except for early enhancement, were very similar to those of adenomatous hyperplasia or well-differentiated hepatocellular carcinoma. The early enhancement was considered due to early venous return compared with that of the surrounding liver.
引用
收藏
页码:345 / 349
页数:5
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