Acute pancreatitis spans mild edema to necrosis with organ failure. We compared routine transabdominal ultrasound (US) with contrast-enhanced CT (CECT) for key findings and severity grading using MCTSI and Revised Atlanta categories. Prospective single-center study, n=75. All patients had baseline US and CECT at 48-72 h. Two blinded radiologists assessed enlargement, inflammatory changes, peripancreatic collections, ascites, biliary pathology, and vascular involvement; severity graded by MCTSI. Statistics: proportions, sensitivity/specificity/PPV/NPV (US vs CT), Cohen’s κ (including weighted κ for severity), and χ² for association of clinical (Atlanta) vs imaging severity. Detection (US vs CT): enlargement 77.3% vs 82.7%; inflammatory changes 80.0% vs 86.7%; collections 53.3% vs 50.7%; ascites 29.3% vs 26.7%; biliary pathology 37.3% vs 40.0%; vascular 8.0% vs 9.3%. US performance: collections 84.2%/90.0%, ascites 88.9%/96.4%, biliary 93.3%/91.0%, vascular 71.4%/97.0% (sensitivity/specificity). Agreement (κ): enlargement 0.72, inflammation 0.69, collections 0.76, ascites 0.80, biliary 0.78, vascular 0.55. MCTSI: mild 37.3%, moderate 40.0%, severe 22.7%. US severity showed moderate–good concordance with CT (weighted κ≈0.64–0.71). Clinical severity correlated with CT severity (χ²=26.87, df=4, p<0.001). US reliably identifies biliary pathology, ascites, and larger collections with good concordance to CT, but CT remains essential for definitive severity grading and detecting necrosis/vascular complications. Pragmatic pathway: early US for triage and etiology, followed by timed CT for comprehensive severity assessment.
K. Usharani and T. Srinivas. Comparative Evaluation of Ultrasound and CT in the Assessment of Pancreatitis Severity: An Institutional Study.
DOI: https://doi.org/10.36478/makrjms.2016.6.765.770
URL: https://www.makhillpublications.co/view-article/1815-9346/makrjms.2016.6.765.770