Stratified computed tomography findings improve diagnostic accuracy for appendicitis

Figure 1 Patient selection flow chart. CT: Computed tomography.

Figure 2 Enlarged appendix and appendiceal wall enhancement. A: Cross-sectional (arrow); B: Sagittal abdominal computed tomography scans showing increased appendiceal diameter (≥ 6.0 mm) (arrow).

Figure 3 Appendiceal wall thickening. A: Cross-sectional (arrow); B: Coronal abdominal computed tomography scans showing appendiceal wall thickening suggestive of acute appendicitis (arrow).

Figure 4 Fat stranding. A: Cross-sectional (arrow); B: Coronal abdominal computed tomography scans showing periappendiceal fat stranding suggestive of acute appendicitis (arrow).

Figure 5 Appendiceal intraluminal air. A: Cross-sectional (arrow); B: Coronal abdominal computed tomography scans showing appendiceal intraluminal air suggestive of normal appendix (arrow).