Marked and reproducible increase in trilineage blood cell counts by administration of granulocyte colony-stimulating factor in a patient with refractory anaemia with excess blasts in transformation.
We report a patient with refractory anaemia with excess blasts in transformation (RAEB-t) who presented with severe pancytopenia and received four intermittent series of granulocyte colony-stimulating factor (G-CSF) treatment over 1.5 years. In addition to the increase in mature neutrophils, platelet count and haemoglobin level were dramatically increased. These haematological improvements were dependent on G-CSF during these treatment series. Bone marrow colony assay revealed that G-CSF increased both CFU-E- and BFU-E-derived colonies in vitro. Clinical usage of G-CSF in myelodysplastic syndrome (MDS) is discussed, with particular emphasis on mechanisms of trilineage response.
Chiba
S
S
Third Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Japan.
Inamori
K
K
Mitani
K
K
Hirai
H
H
Yazaki
Y
Y
D000754:Anemia, Refractory, with Excess of Blasts / Q000097:blood / Q000150:complications / Q000628:therapy*; D015672:Erythroid Precursor Cells / Q000473:pathology; D016179:Granulocyte Colony-Stimulating Factor / Q000627:therapeutic use*; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D009504:Neutrophils / Q000473:pathology; D010198:Pancytopenia / Q000097:blood / Q000209:etiology / Q000628:therapy*; D010976:Platelet Count
D006454:Hemoglobins; D016179:Granulocyte Colony-Stimulating Factor