• Journal of radiological science and technology
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• v.32 no.2
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• pp.169-175
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• 2009

This study examined 40 healthy volunteers had been tested for their gallbladder (GB) volume and wall thickness by a real time ultrasonography before and after a meal. The results are as follows : 1. The mean values of GB volume were 47.40. (SD 9.05) for male, 35.72. (SD 8.30) for female. 2. The mean value of wall thickness of GB was 2.3 mm (SD 0.3, male, SD 0.5, female). 3. The mean ejection-fraction rates of GB result in 67.20% for male, 63.95% for female. 4. The values of GB volume had significant negative correlations (v = -.487, p < .000, male, v = -.509, p < .000, female) within 4 hours after a meal and significant positive correlations (v = .434, p < .000, male, v = .440, p < .000, female) afterward. 5. The wall thicknesses of GB were significant positive correlations (t = .310, p < .002, male, t = .116, p < .246, female) within 3 hours after a meal and significant negative correlations (t = -.288, p < .010, male, t = -.126, p < 7.10, female) afterward. 6. The relationship between volume and wall thickness of GB showed significant negative correlation.