|
2017 |
2018 |
2019 |
2020 |
Clinical symptoms |
Abdominal pain |
Abdominal pain with diarrhoea,
mucopurulent and bloody stools |
Abdominal pain, diarrhoea, bloody stool |
Abdominal pain, diarrhoea, bloody stool, fever |
Endoscopically confirmed site of involvement |
Ascending colon,
transverse colon, descending colon |
Ascending colon, transverse colon,
descending colon |
Ileocecal region, ascending colon, transverse colon,
descending colon |
Ileocecal region, ascending colon, transverse colon,
descending colon, small intestine |
Intestinal stricture |
NO |
NO |
YES |
YES |
Maximum ulcer diameter (cm) |
0.5 |
0.5 |
Circumflex 3/4 |
5 |
Pathological biopsy |
Acute and chronic inflammation of the colonic
mucosa |
Acute and chronic inflammation of the colonic mucosa |
Acute
and chronic inflammation of the colonic mucosa |
Lymphocytes and
inflammatory cells infiltrate the lamina propria, intraepithelial
lymphocytes, cryptitis, and crypt abnormalities |