Copyright ©The Author(s) 2018.
World J Gastrointest Endosc. Dec 16, 2018; 10(12): 392-399
Published online Dec 16, 2018. doi: 10.4253/wjge.v10.i12.392
Table 1 Differential diagnosis
DiseaseEndoscopy findingsClinical characteristics
IBDUC: Continuous and circumferential mucosal inflammation starting in the rectumRectal bleeding, abdominal pain, diarrhea, chronic anemia
CD: Deep fissures, cobblestoning, segmental distribution, relative rectal sparing, and terminal ileal involvement
Radiation colitisSimilar to IBDRectal bleeding, chronic anemia
Infectious colitisDiffuse effects on the colonDysentery-like diarrhea, different agents, Clostridium difficile and CMV to be ruled out
Colitis associated with diverticulosisSegmental distribution, peridiverticular, sigmoid colon affected, rectum and proximal colon are normalRectal bleeding, abdominal pain, diarrhea
NSAID-induced colitisAny part of the intestine, isolated lesionsRecurrent abdominal pain, obstruction, perforation, hemorrhage, chronic anemia
Microscopic colitisNormal endoscopy findingsWatery diarrhea
Ischemic colitisSegmentary colitis (sigmoid /left colitis)Acute onset of abdominal pain and rectal bleeding