[Rinsho ketsueki] The Japanese journal of clinical hematology · 1993
[CD14-positive and nonspecific esterase-positive neutrophils in a patient with refractory anemia with excess of blasts in transformation].
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Kobayashi S, Yamamoto T, Akiba C, Katayama N, Sakai K, Yamaguchi M, Maruta A, Ogawa K, Fujisawa S, Sakai R
Аннотация
A 34-year-old man was admitted with lumbago and anemia in November 1992. Hematological examination revealed an Hb 9.2g/dl, WBC count 13,500 microliters (33% blasts), and monocyte count 3,400/microliters. Bone marrow examination showed hyperplasia with dysplasia in trilineage blood cells and increased blasts (21.8%). A diagnosis of refractory anemia with excess of blasts in transformation (RAEB in T) was made. Cytochemical examination revealed the neutrophils in the peripheral blood were 66.5% positive for alpha-naphthyl butyrate esterase inhibited by sodium fluoride, 4.0% positive for peroxidase and 75% positive for alkaline phosphatase. The results of immuno-alkaline phosphatase stainings (avidin biotin alkaline phosphatase complex method) of neutrophils were as follows; CD16 (94.5%), CD24 (91.0%), CD13 (93.0%), CD14 (52.5%), CD33 (39.0%), CD36 (16.5%), HLA-DR (17.0%). These neutrophils exhibited monocyte-specific features and failed to show characteristics of neutrophils.