Abstract
Objective To evaluate the diagnostic value of B type ultrasound in ureteral calculi. Methods B type ultrasound examination were performed on 100 cases with ureteral calculi who were confirmed by open surgery, extracorporeal shock wave lithotripsy and comprehensive therapy. Results The diagnostic accuracy was 94. 00% in 100 cases,no false positive was found,and the rate of missed diagnosis was 6.00% (6 cases). Conclusion B type ultrasound has a high application value in the diagnosis of ureteral calculi, which has low false positive rate and can clear display negative stone. It can also afford some accurate clues for diagnosis and clinical treatment in tihe according to abdomenal B type ultrasound and it will be preferred in way for diagnosis of acute nephrite colic especially in basic hospitals. Key words: Ureteral calculi; B type ultrasound; Missed diagnosis
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