Article Text


Felty's syndrome associated with high levels of IgA rheumatoid factor.
  1. R H Withrington,
  2. I Teitsson,
  3. M H Seifert,
  4. H Valdimarsson


    A 64-year-old woman with rheumatoid arthritis developed Felty's syndrome. Her serum contained large amounts of IgA rheumatoid factor (RF) but insignificant levels of IgM-RF and IgG-RF. It is postulated that the high levels of IgA-RF may have contributed to the neutropenia.

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