Copyright: ©Author(s) 2026.
World J Obstet Gynecol. Sep 8, 2026; 15(2): 118869
Published online Sep 8, 2026. doi: 10.5317/wjog.118869
Published online Sep 8, 2026. doi: 10.5317/wjog.118869
Table 2 Alver et al[19] classification (1993)
| Type | Description | Frequency, % |
| Type I | Ileum (active component) wraps around the sigmoid colon (passive component). Type Ia - clockwise direction type Ib - anticlockwise direction | 55 |
| Type II | Sigmoid colon (active component) wraps around the ileum (passive component). Type IIa - clockwise direction type IIb - anticlockwise direction | 25 |
| Type III | Ileocecal segment (active component) wraps around the sigmoid colon (passive component) | 5 |
| Type IV | Undetermined - impossible to determine the revolved segment | 15 |
- Citation: Dereje WM, Zegeye ML, Wulolgn D, Tamene BA, Kassie MT. Ileosigmoid knotting causing gangrenous bowel obstruction in a postpartal mother presented with septic shock: A case report and review of literature. World J Obstet Gynecol 2026; 15(2): 118869
- URL: https://www.wjgnet.com/2218-6220/full/v15/i2/118869.htm
- DOI: https://dx.doi.org/10.5317/wjog.118869