Leopold G R, Amberg J, Gosink B B, Mittelstaedt C
Radiology. 1976 Nov;121(2):445-8. doi: 10.1148/121.2.445.
A prospective study was designed to assess the accuracy of gray scale ultrasonography in the evaluation of cholelithiasis. A series of 111 patients with nonvisualization on first-day oral cholecystography underwent ultrasonic cholecystography, and the results were compared with subsequent second-day visualitzation or surgical findings. In 75 cases sufficient data were present to assess the accuracy of the method. Ultrasound correctly diagnosed 68 (91%) of these cases with regard to gallstones. Only 6 gallbladders could not be visualized ultrasonically and all subsequently proved to have gallstones. It is concluded that improved ultrasonic technique is of considerable value in investigating the nonvisualized gallbladder. Valuable information conderning other upper abdominal pathology was often discovered.
一项前瞻性研究旨在评估灰阶超声检查在胆石症评估中的准确性。111例第一天口服胆囊造影未显影的患者接受了超声胆囊造影检查，并将结果与随后第二天的显影情况或手术结果进行了比较。在75例病例中，有足够的数据来评估该方法的准确性。超声在这些病例中正确诊断出68例（91%）有胆结石。只有6个胆囊超声检查未显影，而所有这些胆囊后来都被证实有胆结石。结论是，改进的超声技术在研究未显影的胆囊方面具有相当大的价值。经常发现有关其他上腹部病理状况的有价值信息。
