Wiki: Melena
Medical News: Colonoscopy No Help in Finding Melena Source - in Gastroenterology, General Gastroenterology
"Colonoscopy had a lower-than-expected yield when used after a
negative upper endoscopy in stable patients with melena, researchers
found.
The procedure diagnosed a suspected source of the bleeding in just
4.8% of patients with melena in a retrospective case-control study by
Jason P. Etzel, MD, of Oregon Health and Science University, Portland,
and colleagues......
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