共 26 条
Nonpathological focal enhancements on spiral CT hepatic angiography
被引:41
作者:
Kanematsu, M
Hoshi, H
Imaeda, T
Yamawaki, Y
Mizuno, S
Manabe, T
Enya, M
Yokoyama, R
机构:
[1] Department of Radiology, Gifu University School of Medicine, Gifu 500
来源:
ABDOMINAL IMAGING
|
1997年
/
22卷
/
01期
关键词:
computed tomography (CT);
liver neoplasms;
diagnosis;
portography;
D O I:
10.1007/s002619900140
中图分类号:
R57 [消化系及腹部疾病];
学科分类号:
摘要:
Background: To assess the frequency and characteristics of nonpathological focal enhancements seen on spiral computed tomographic (CT) hepatic angiography (CTA). Methods: Spiral CTA and spiral CT arterial portography (CTAP) were performed in 31 patients with suspected liver malignancy prior to potential liver resection. The CTA images were retrospectively reviewed for focal enhancements by two radiologists. After determining nonpathological focal enhancements on CTA images based on the other radiographic tests, surgical exploration including intraoperative sonography, follow-up imagings, the frequency, size, site, and shape of nonpathological focal enhancements with CTA were assessed. Results: Thirty-six nonpathological focal enhancements with CTA from 4 to 23 (mean = 11.4) mm were seen in 14 (45.2%) of 31 patients. Thirteen (36.1%) of 36 nonpathological focal enhancements with CTA were not depicted with CTAP. Nonpathological focal enhancements with CTA were frequent in Couinaud segments III (27.8%), V (22.2%), and VI (19.4%). Twenty-three (63.9%) of 36 nonpathological focal enhancements were located in the edge of the Liver. Shapes of 36 nonpathological focal enhancements with CTA included circular (n = 16), worm (n = 7), irregular (n = 6), dot (n = 6), and wedge (n = 1). Conclusion: In nearly half of patients, spiral CTA shows various shapes of small nonpathological focal enhancements more frequently in the liver edge.
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页码:55 / 59
页数:5
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