Table 2.
Endoscopic findings of CMV colitis patients without IBD
| Characteristics | Result, n (%) |
|---|---|
| Diagnostic tools | |
| Colonoscopy | 31 (50.8) |
| Sigmoidoscopy | 30 (49.2) |
| Involved area | |
| Rectum (n=61) | 35 (57.4) |
| Sigmoid colon (n=60) | 26 (43.3) |
| Descending colon (n=48) | 13 (27.1) |
| Transverse colon (n=39) | 19 (48.7) |
| Ascending colon (n=34) | 18 (52.9) |
| Cecum (n=31) | 13 (41.9) |
| Ileocecal valve (n=18) | 4 (22.2) |
| Endoscopic finding | |
| Colitis with/without erosion, only | 6 (9.8) |
| Ulcer | 47 (77) |
| Well-demarcated small ulcer | 27 (57.5) |
| Longitudinal ulcer | 5 (10.6) |
| Semi-lunate ulcer | 21 (44.7) |
| Irregular ulcer | 12 (25.5) |
| Deep ulcer (including punch-out ulcer) | 11 (23.4) |
| Ulcer coating with white membrane | 7 (14.9) |
| Segmental mucosal defect | 14 (29.8) |
| Pseudomembrane | 6 (9.8) |
| Tumor/polyp-like | 5 (8.2) |
| Cobblestone appearance | 12 (19.7) |
| Skip lesions | 18 (29.5) |
| Stricture during follow-up | 2 (3.3) |
Abbreviations: CMV, cytomegalovirus; IBD, inflammatory bowel disease.