Steroid‐responsive pure red cell aplasia associated with natural killer cell lymphocytosis

Ayalew Tefferi, Kevin P. Windebank, Michael H. Veeder, Joseph M. Kiely

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


A patient with pure red cell aplasia and expansion of the peripheral blood natural killer (NK) cell population is described. Despite normal absolute and differential leukocyte counts, NK cells were increased at diagnosis and at relapse. Furthermore, these cells were not morphologically recognizable on the peripheral blood smear examination. A favorable clinical response to glucocorticoid therapy was accompanied by a decrease in NK cells.

Original languageEnglish (US)
Pages (from-to)211-212
Number of pages2
JournalAmerican journal of hematology
Issue number3
StatePublished - Jul 1989


  • azathioprine
  • lymphocyte subsets
  • prednisone

ASJC Scopus subject areas

  • Hematology


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