Gallstones: a comparison of real-time ultrasonography and cholecystography with surgical correlation.

Abstract

Real-time ultrasonography is more accurate and technically more efficient than gray scale ultrasonography in establishing the diagnosis of cholecystolithiasis. In prospective studies accuracy may be as high as 96%, and reflects the use of specific sonographic diagnostic criteria. Retrospective studies, however, reveal a lower accuracy rate of 90… (More)

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