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©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 14, 2006; 12(14): 2276-2279
Published online Apr 14, 2006. doi: 10.3748/wjg.v12.i14.2276
Published online Apr 14, 2006. doi: 10.3748/wjg.v12.i14.2276
Table 1 Sound speed and attenuation and acoustic backscatter coefficient (mean ±SD)
| Normal liver | Cirrhotic liver | ||
| Sound speed (m/s) | 1577 ± 7 | 1631 ± 5 | |
| Attenuation | α1 | 0.121 ± 0.045 | 0.082 ± 0.023 |
| (dB/mm) | α35 | 3.0 ± 0.6 | 4.1 ± 0.8 |
| m | 0.9 | 1.1 | |
| Backscatter coefficient | μ1 | 2.66 × 10-6 ± 1.43 ×10-6 | 4.85 × 10-6 ± 1.52 ×10-6 |
| (1/Srmm) | μ35 | 0.00303 ± 0.00015 | 0.0043 ± 0.00025 |
| n | 1.98 | 1.91 | |
- Citation: Liu XZ, Gong XF, Zhang D, Ye SG, Rui B. Ultrasonic characterization of porcine liver tissue at frequency between 25 to 55 MHz. World J Gastroenterol 2006; 12(14): 2276-2279
- URL: https://www.wjgnet.com/1007-9327/full/v12/i14/2276.htm
- DOI: https://dx.doi.org/10.3748/wjg.v12.i14.2276