The Role of Mucosal Biopsy in the Diagnosis of Chronic Diarrhea: Value of Multiple Biopsies when Colonoscopic Finding is Normal or Nonspecific

摘要

ObjectivesThere are controversies about taking routine mucosal biosy when the gross colonoscopic finding is normal. This study was conducted to determine the frequency of clinically important histological abnormalities, prospectively, in chronic diarrhea patients with grossly normal or nonspecific colonoscopic findings.