The Clinical Utility and Diagnostic Yield of Routine Gastric Biopsies in the Investigation of Iron Deficiency Anemia: A Case-Control Study

To audit our experience with gastrointestinal investigation of iron deficiency anemia (IDA) and assess whether gastric atrophy associates with and likely causes it.This is a case-control study in a large U.K. teaching hospital. In total, 161 unselected patients undergoing routine investigation for iron deficiency anemia were submitted for the study, of which 5 were excluded for lack of appropriate biopsies. In total, 169 patients identified...