COMPARATIVE STUDY OF DIAGNOSTIC ACCURACY OF ULTRASONOGRAPHY & NON-CONTRAST COMPUTED TOMOGRAPHY IN ACUTE APPENDICITIS

Kaur Maninder, Raychaudhuri C, Gill Sovia

Abstract


Objective: The present study was carried out with an aim to compare diagnostic accuracy of ultrasonography & non-contrast computed
tomography in acute appendicitis.
Methods: The study was conducted in Department of Radiology of SBKS Medical Institute & Research Centre, Sumandeep Vidyapeeth
University, Vadodara from September 2018 to September 2019. In this prospective study, 30 consecutive patients with clinical signs and symptoms
of acute appendicitis were examined with sonography (graded compression technique) and CT (unenhanced helical CT [5-mm section thickness].
The results were correlated with surgical outcome.
Results: Twenty-nine patients had acute appendicitis at surgery, and one patient did not. The sensitivity of NCCT and sonography was 86.2% and
62.1%, respectively; the specificity was 100% and 0%; the accuracy was 86.7% and 60.0%; the positive predictive value was 100% and 94.7%;
and the negative predictive value was 20% and 0%.
Conclusion: Unenhanced focused single-detector helical CT and graded compression sonography performed in a general community teaching
hospital, NCCT have a better accuracy for the diagnosis of acute appendicitis


Keywords


Appendicitis, Ultrasound, Computed Tomography.

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