Background: There is a lack of consensus about whether the initial imaging method for patients with suspected nephrolithiasis should be computed tomography (CT) or ultrasonography. Material and Methods: A total of 130 patients' USG and CTU were compared for the presence of calculi. Sensitivity, specificity, accuracy, positive predictive value and negative predictive value of USG were calculated with CTU as the gold standard. Results: From the 150 sets of data collected, 45 calculi were detected on both USG and CTU. The sensitivity and specificity of renal calculi detection on USG were 53% and 85% respectively. The mean size of the renal calculus detected on USG was 6.8 mm ± 3.8 mm and the mean size of the renal calculus not visualized on USG but detected on CTU was 3.5 mm ± 2.7 mm. The sensitivity and specificity of ureteric calculi detection on USG were 12% and 97% respectively. The sensitivity and specificity of urinary bladder calculi detection on USG were 20% and 100% respectively. Conclusion: This study showed that the accuracy of US in detecting renal, ureteric and urinary bladder calculi were 68%, 80% And 99% Respectively.
Background: To assess the severity of acute pancreatitis (AP) using computed tomography (CT)severity index (CTSI) and modified CT severity index (MCTSI), to correlate with clinical outcomemeasures, and to assess concordance with severity grading, as per the revised Atlanta classification(RAC). Material and Methods: This is a prospective study, conducted from August 2019 to July2020, in the Department of Radiology, Al Ameen Medical College. A total of 70 patients referred fromthe Department of Medicine and Department of Surgery, presented with the chief complaint ofepigastric pain, nausea and vomiting and CECT abdomen were suggestive of acute pancreatitis wereincluded in this study. Assessment of severity of acute pancreatitis was done in all cases byBalthazar CTSI scoring and Mortele Modified CTSI scoring. Results: In the present study total 70cases of acute pancreatitis cases were included in the study. These patients underwent CT abdomenand pelvis, later images were reviewed by the radiologist. The maximum patients were in the agegroup of 21 to 40 years [n=33 (47.1%)]. Majority of the cases were categorized as mild pancreatitisaccording to Balthazar CTSI score. Majority of the cases were categorized as severe pancreatitisusing the Modified Mortele CTS score. Whereas, organ failure, moderate and severe category inmodified Mortele CTSI, mild, moderate, severe category in Balthazar CTSI. Conclusion: Inconclusion CECT was found to be an excellent imaging modality for diagnosis, establishing theextent of the disease process and in grading its severity.
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