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Ann Hematol. 2004 Jul;83(7):487-8. Epub 2004 Jan 17.

Case of megaloblastic anemia caused by intestinal taeniasis.

Author information

1
Hematology Unit, Department of Internal Medicine & Center of Human Genetics, University Hospital Leuven, 49 Herestraat, 3000 Leuven, Belgium.

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.

PMID:
14730392
DOI:
10.1007/s00277-003-0839-2
[Indexed for MEDLINE]

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