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Related Experiment Videos

Thiamine-responsive myelodysplasia

A Bazarbachi1, S Muakkit, M Ayas

  • 1Department of Internal Medicine, American University of Beirut, Lebanon.

British Journal of Haematology
|September 12, 1998
PubMed
Summary

Thiamine deficiency can cause diabetes, deafness, and anemia. This study identifies thiamine-responsive myelodysplasia, a stem cell disorder, in patients with these symptoms.

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Area of Science:

  • Hematology
  • Endocrinology
  • Genetics

Background:

  • The triad of thiamine-responsive anemia, diabetes mellitus, and deafness is a rare condition.
  • Previous reports described macrocytic anemia with megaloblastic changes and ringed sideroblasts.

Observation:

  • Two patients presented with diabetes, deafness, and thiamine-responsive pancytopenia.
  • Bone marrow examination revealed tri-lineage myelodysplasia.

Findings:

  • This is the first report of tri-lineage myelodysplasia in patients with the thiamine-responsive triad.
  • The findings suggest a role for thiamine in regulating hematopoiesis at the stem cell level.

Implications:

  • The term 'thiamine-responsive myelodysplasia' is proposed.

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  • This suggests a broader role for thiamine beyond just anemia correction in this syndrome.