J Korean Soc Med Ultrasound.
2000 Dec;19(4):239-243.
US in Liver Cirrhosis: Diagnostic Usefulness of Transverse Diameter of Segment 4
- Affiliations
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- 1Department of Diagnostic Radiology, College of Medicine, Korea University.
Abstract
- PURPOSE
We evaluated the usefulness of transverse diameter of segment 4 on Ultrasound (US) as an index for diagnosis of liver cirrhosis.
MATERIALS AND METHODS
138 patients with documented liver cirrhosis underwent US. The transverse diameter of segment 4 was measured as the distance between the medial wall of the GB and major fissure or U point of left portal vein by subcostal scan. The transverse diameter of segment 4 was measured on US in 166 control subjects without liver cirrhosis as well.
RESULTS
The mean transverse diameter of segment 4 was 25.6 +/- 6.3mm in the patients group and 36.3 +/- 6.2mm in the control group (t-test, p < 0.05). When we used 30mm as cut-off value, the sensitivity and specificity in predicting the presence of liver cirrhosis were 80% and 88%, respectively. And the positive predictive value and the negative predictive value were 86% and 85%, respectively.
CONCLUSION
Transverse diameter of segment 4 on US was easy to measure and was a reliable index for volume reduction of segment 4. Measurement of the transverse diameter of segment 4 was helpful in the diagnosis of liver cirrhosis.
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