PMC8588082_01
(A,B) CT abdomen pelvis with contrast for case #1. Red arrows depict the descending colon edema.
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F1
Computed tomography (CT) of the abdomen and pelvis with contrast showed moderate gallbladder wall edema with pericholecystic fluid, mild periportal edema, urinary bladder wall thickening, and descending colon edema (Figure 1).
PMC8588082_02
MR enterography for case #2. Red arrow depicts the mural edema and circumferential thickening of the cecum and ascending colon.
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F2
Magnetic resonance imaging showed a fluid-filled appendix measuring 0.6 cm and mural edema and circumferential thickening involving the cecum, proximal ascending colon and distal terminal ileum, with fat stranding and moderate amount of free fluid (Figure 2).
PMC8588082_03