Ischemic colitis after enema administration: Incidence, timing, and clinical features

Table 4 Radiologic features on computed tomography in patients with ischemic colitis after glycerin enema administration (n = 19)

	CE-CT (n = 18)	NCE-CT (n = 1)
Segmental wall thickening	n = 18	n = 1
Location (Rectum/sigmoid/descending/transverse/ascending colon)	16/17/10/7/2	1/1/0/0/0
Wall thickening thickness (mm), mean ± SD	9.57 ± 2.39	5.6
Wall thickening pattern (circumferential/eccentric)	18/0	1/0
Skip area	3	0
Decreased wall enhancement	n = 10	N/A
Involving layer (no/inner layer/transmural)	8/3/7
Target sign	15
Skip area	7
Pericolic stranding or fluid	9	1
Peritoneal free fluid or mesenteric edema	2	0
Pneumatosis coli	1	0
Portal or drain venous gas	1	0
Pneumoperitoneum	1	0
Vascular occlusion	0	N/A

Data are presented as n or mean ± standard deviation. SD: Standard deviation; CE-CT: Contrast-enhanced abdominopelvic computed tomography; NCE-CT: Non-contrast enhanced abdominopelvic computed tomography; N/A: Not applicable.