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American Journal of Roentgenology, Vol 164, 905-909, Copyright © 1995 by American Roentgen Ray Society
ARTICLES |
KR Curtin, SW Fitzgerald, AA Nemcek Jr, FL Hoff and RL Vogelzang
Department of Radiology, Northwestern University Medical School, Chicago, IL 60611, USA.
Acute appendicitis, at times, is a difficult clinical diagnosis. CT can play a valuable role in selected patients with suspected appendicitis; the CT diagnosis of acute appendicitis has high positive and negative predictive values, 96% and 95%, respectively [1]. In this essay, we review the normal CT anatomy of the appendix and the right lower quadrant and illustrate the CT signs of appendicitis and important differential diagnostic entities. The CT appearance of complications of acute appendicitis is also presented, as are issues concerning examination technique and patient preparation.
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