Korean J Intern Med.  2004 Sep;19(3):193-195.

Myelodysplastic Syndrome with Erythroid Aplasia following Pure Red Cell Aplasia

Affiliations
  • 1Department of Internal Medicine, Daejeon St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea. kwkim@djsungmo.com
  • 2Department of Clinical Pathology, Daejeon St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.
  • 3Department of Radiation Oncology, Daejeon St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.

Abstract

Myelodysplastic syndrome (MDS) with erythroid aplasia is a very rare disorder that has not been clearly defined. We experienced a case of pure red cell aplasia (PRCA), which evolved to MDS with erythroid aplasia. A 59-year-old male with transfusion-dependent PRCA was referred to our hospital for an evaluation of newly developed thrombocytopenia. Two years ago, PRCA was diagnosed by the laboratory findings and a bone marrow examination, which showed no evidence of any myelodysplastic features and thymoma. Upon admission, the bone marrow findings showed marked hypercellularity. with numerous dysplastic features in the three lineages including erythroid hypoplasia. These findings were compatible with a diagnosis of MDS with red cell aplasia. It is very interesting that the PRCA evolved to MDS with red cell aplasia, which strongly suggests an autoimmune mechanism for the development of MDS.

Keyword

Myelodysplastic syndrome; Pure red cell aplasia

MeSH Terms

Erythroid Progenitor Cells/*pathology
Humans
Male
Middle Aged
Myelodysplastic Syndromes/*complications/pathology
Red-Cell Aplasia, Pure/*complications/pathology
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