Review
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Feb 16, 2019; 11(2): 68-83
Published online Feb 16, 2019. doi: 10.4253/wjge.v11.i2.68
Table 2 Causes of acute small bowel and lower gastrointestinal bleeding by category
TypeCauses
AnatomicDiverticulosis, including Meckel’s diverticulum
NSAID-induced enterocolopathy
Antiplatelet or anticoagulant-induced enterocolopathy
Stercoral ulceration (solitary rectal ulcer syndrome)
Anal fissure
VascularIschemic colitis
Hemorrhoids
Angiodysplasias (Angioectasias)
Colorectal varices
Postpolypectomy bleeding
Radiation telangiectasia or proctitis
Dieulafoy’s lesion
NeoplasticColorectal polyps
Colorectal and anal cancers
Small bowel tumors, including gastrointestinal stromal tumor
Metastatic or direct invasion from other cancer
InflammatoryInflammatory bowel disease
Infectious colitis