Journal of Korean Society of Medical Ultrasound 2000;19(1): 21-24.
Comparative Analysis of Contrast between Hepatic Vein and Hepatic Parenchyma with Controlled Velocity of Unltrasound in Normal and Fatty Liver.
Eun Joo Yun, Byung Ihn Choi, Joon Koo Han, Joo Hee Cha, Seung Hyup Kim, Dong Hyuk Lee
1Department of Radiology, Institute of Radiation Medicine, Seoul National University College of Medicine.
2Department of Radiology, Institute of Biomedical Engineering, Seoul National University College of Medicine.
  Published online: January 1, 2001.
ABSTRACT
PURPOSE: To evaluate the contrast between hepatic vein and hepatic parenchyma with controlled velocities of ultra-sound in normal and fatty liver. MATERIALS AND METHODS: 31 patients with normal liver and 39 patients with moderate degree of fatty liver were s-tudies with sonography with controlled velocities of ultrasound (1,580 m/sec, 1,540 m/sec, 1,500 m/sec, 1,460 m/sec). Sonographic images were captured with picture grabbing(Sono-PACS) and were recalled with vi-sual C++(Microsoft Redmond. WA, USA). The contrast between hepatic vein and parenchyma was measured and analyzed on each sonographic image. RESULTS: The number of patients with the highest contrast between hepatic vein and hepatic parenchyma among the 31 patients with normal liver were 5(16.1%) with 1,580m/sec, 12(38.8%) with 1,540m/sec, 9(29.0%) with 1,500m/sec, and 5(16.1%) with 1,460m/sec. The number of patients with the highest contrast between hepatic vein and hepatic parenchyma among the 39 patients with fatty liver were 3(7.7%) with 1,580m/sec, 7(17.9%) with 1,540m/sec, 12(30.8%) with 1,500m/sec and 17(43.6%) with 1,460m/sec. CONCLUSION: The velocity of ultrasound for the highest contrast between hepatic vein and hepatic parenchyma in normal liver was 1,540 m/sec, and 1,460 m/sec in fatty liver.
Keywords: Liver, US; Liver, fatty; Ultrasound (US), technology
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