| Fistula | |
 |
 |
| Crohn´s disease with ileo-sigmoid fistula. Diameter of the fistula 8 mm. Fistula are characteristic of Crohn´s disease, since they are rarely found in ulcerative colitis. See also perianal fistula. | Rectosigmoid fistula in Crohn´s disease |
| Crohn´s disease |  |
Colitis in Crohn´s |
 |
Fistula | |
|
Ileum | |
|
X-ray | |
|
X- tay 2 | |
|
Remission |
| Fistula | |
|
|
| Crohn´s disease with ileo-sigmoid fistula. Diameter of the fistula 8 mm. Fistula are characteristic of Crohn´s disease, since they are rarely found in ulcerative colitis. See also perianal fistula. | Rectosigmoid fistula in Crohn´s disease |