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  • Title: The value of routine sonography in clinically suspected acute cholecystitis.
    Author: Soiva M, Haveri M, Taavitsainen M, Suramo I.
    Journal: Scand J Gastroenterol; 1986 Jan; 21(1):70-4. PubMed ID: 3513296.
    Abstract:
    Upper abdominal sonography was used as a routine emergency study to diagnose acute cholecystitis in 135 patients clinically suspected of having the disease. Ten radiologists with various experience in sonography performed the studies. Fifty-six patients had acute cholecystitis. Altogether 52 cholecystectomies were performed, mainly within 48 h of admission. Acute cholecystitis was diagnosed correctly in 52 cases (sensitivity, 93%) and excluded correctly in 75 cases (specificity, 95%; overall accuracy, 94%). Of the four patients with a false-negative study, calculi without signs of cholecystitis were detected in three, and distention and tenderness without calculi in one case. The final diagnoses in four false-positive studies were chronic cholecystitis in two cases, carcinoma of the gallbladder in one case, and pancreatitis in one case. The results of sonography as a continual emergency service provided by a staff with various experience are equal to those published in other studies performed mainly by an expert staff with long experience.
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