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  • Title: Dyserythropoiesis in iron deficiency and in beta-thalassemia.
    Author: Zago MA, Costa FF, Bottura C.
    Journal: Braz J Med Biol Res; 1984; 17(2):135-42. PubMed ID: 6518337.
    Abstract:
    Nuclear and cytoplasmic abnormalities were quantitated in bone marrow erythroblasts from 15 patients with iron deficient anemia, 5 beta-thalassemia homozygotes, 5 beta-thalassemia heterozygotes, 6 S/beta-thalassemia double heterozygotes and 9 controls. The frequency of dyserythropoietic changes in iron deficiency was 11.90 +/- 5.02% (mean +/- SD) which is significantly higher than 3.36 +/- 1.16% obtained for the control group. The degree of dyserythropoiesis was negatively correlated with hemoglobin level (rS = 0.757). The frequency of dyserythropoietic changes obtained for the beta-thalassemia heterozygotes (5.23 +/- 1.45%) and for S/beta-thalassemia (7.13 +/- 2.00%) was elevated compared with the controls (P less than 0.05 and P less than 0.01, respectively). The highest frequency of dyserythropoiesis (19.88 +/- 7.40%) occurred among beta-thalassemia homozygotes. In all cases studied the abnormalities were observed mainly in the late erythroblasts. In addition, a peculiar cytoplasmic inclusion was observed in Leishman-stained bone marrow or peripheral blood erythroblasts from beta-thalassemia homozygotes, which is probably the result of precipitation of excess alpha-chain. This abnormality of thalassemia erythroblasts in Leishman-stained smears had not been previously reported.
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