Case Reports
doi: 10.1007/s00277-003-0839-2.
Epub 2004 Jan 17.
Case of megaloblastic anemia caused by intestinal taeniasis
Affiliations
- PMID: 14730392
- DOI: 10.1007/s00277-003-0839-2
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Case Reports
Case of megaloblastic anemia caused by intestinal taeniasis
Ann Hematol.
2004 Jul.
Abstract
A 61-year-old eutrophic male was diagnosed with vitamin B12 deficiency and megaloblastic anemia. A modified Schilling test suggested intestinal malabsorption unrelated to intrinsic factor deficiency. Subsequent colonoscopy revealed the presence of a Taenia tapeworm. The anemia resolved within days under therapy with niclosamide and temporary vitamin B12 supplements. The present case suggests that, in addition to other well-known parasitic agents, e.g., Diphyllobothrium latum and Giardia lamblia, Taenia infestation can also be a cause of intestinal vitamin B12 malabsorption.
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