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Ultrasonic role in diagnosis gallstones and acute cholecystitis

summa ry

Objectives: Assess the role of ultrasound through the determination of the sensitivity, specificity, accuracy, positive and negative predictive value in the diagnosis of gallstones, acute cholecystitis (compared with the results of the surgery and the pathology).

Methods: Retrospective, cross-sectional description.

Results: From January to June 2012, 239 patients were included in the study. Ultrasound diagnosis of 184 patients with gallbladder stone, 81 acute cholecystitis. Postoperative diagnosis 192 patients with gallbladder stones, acute cholecystitis 95 patients. Anatopathologic result get 39 acute cholecystitis.

Conclusions: Ultrasound diagnosis of gallbladder stone had a Sn of 95.31%, Sp 98.87%, Acc 95.81%, PPV of 99.46% (in comparison with surgery).Ultrasound diagnosis of acute cholecystitis had a Sn of 87.18% , Sp of 76.50%, Acc 78.24%, PPV of 41.98% (in comparison with anato- pathology).

Key words: Ultrasound, gallstones, cholecystitis.