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  • Title: [Gray-scale ultrasound B-scanning in case of cholelithiasis, especially with negative cholecystoradiogram (author's transl)].
    Author: Koppers B.
    Journal: Med Klin; 1978 Feb 24; 73(8):279-83. PubMed ID: 628362.
    Abstract:
    Report on the accuracy of gray-scale B-scanning concerning cholelithiasis. In 37 cases out of 43 examined patients sonographical results could be compared to operative and radiological results. In the case of 20 patients with a negative cholecystangiogram the results of sonography could be compared to operative results. Sonographically the gallbladder was shown in 89% of the cases. Gallstones were diagnosed at a high percentage (sensitivity 80%, specificity 88%). There were 20% false-negative diagnoses and 13% false-positive diagnoses.
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