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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Pediatr Radiol. 2014 Jul 5;45(2):181–187. doi: 10.1007/s00247-014-3109-7

Fig. 1.

Fig. 1

Fig. 1

Fig. 1

Fig. 1

Axial (a) and coronal (b) contrast-enhanced CT images of the pelvis in a 15-year-old boy show a 14-mm diameter appendix (arrow) with periappendiceal fat stranding, indicating presence of inflammation (group A, traditional pediatric weight-based protocol with filtered back projection reconstruction; 3 mm axial and coronal section thickness; CTDIvol 16 mGy; SSDE 23 mGy). Axial (c) and coronal (d) contrast-enhanced CT images of the pelvis in a 12-year-old boy show a 14-mm diameter, fluid-filled appendix (arrow) and periappendiceal inflammation (group B, filtered back projection/iterative reconstruction technique blend; 3 mm axial and coronal section thickness; CTDIvol 3 mGy; SSDE 5 mGy). Surgical pathology confirmed appendicitis in both patients