From: The diagnostic ability of SPECT/CT fusion imaging for gastrointestinal bleeding: a retrospective study
Sites
Causes
Small intestine
9
Ulcer
5
Ascending colon
2
Vascular ectasia
3
Stomach
Metastatic carcinoma
Rectum/Anus
1
Rupture of varices
Diverticulum
Fistula
Extra-gastrointestinal tube
Subcutaneous hematoma
Rupture of aneurysm