Iron Deficiency Anemia – Causes
Two important considerations:
- Iron deficiency anemia is often multifactorial, and dual pathology (for example, significant disease in both upper and lower GI tract) is found in 1%–10% of cases—this should be particularly considered in the older patient.
- In males and postmenopausal women, cancer of the gastrointestinal tract is found in 8%–10% of cases.
- In premenopausal women, cancer of the gastrointestinal tract is found in about 1% of cases.
Snook et al, Gut. 2021;70(11):2030-2051
Ko et al, Gastroenterology. 2020;159:1085-1094
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