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Rethinking Thrombocytosis: Dr. William Aird’s 3-Category Approach
William Aird/X
Jul 15, 2025, 07:25

Rethinking Thrombocytosis: Dr. William Aird’s 3-Category Approach

 Dr. William Aird, Professor of Medicine at Harvard Medical School, has posted on X: 

“RETHINKING THROMBOCYTOSIS

Instead of just “primary” (clonal) vs “secondary” (reactive) consider 3 pathophysiologic buckets:

  • Clonal (e.g., ET, PV)
  • Reactive (inflammation, iron deficiency)
  • Redistributional (asplenia)”

William Aird

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