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Br J Haematol ; 204(5): 2086-2096, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38296352

RESUMEN

Morphological dysplasia in haematopoietic cells, defined by a 10% threshold in each lineage, is one of the diagnostic criteria for myelodysplastic neoplasms. Dysplasia limited to the erythroid lineage has also been reported in some cases of aplastic anaemia (AA); however, its significance remains unclear. We herein examined the impact of erythroid dysplasia on immunosuppressive therapy responses and survival in AA patients. The present study included 100 eligible AA patients without ring sideroblasts. Among them, 32 had dysplasia in the erythroid lineage (AA with minimal dysplasia [mini-D]). No significant sex or age differences were observed between AA groups with and without erythroid dysplasia. In severe/very severe AA and non-severe AA patients, a response to anti-thymocyte globulin + ciclosporin within 12 months was observed in 80.0% and 60.0% of AA with mini-D and 42.9% and 90.0% of those without dysplasia, with no significant difference (p = 0.29 and p = 0.24 respectively). Overall survival and leukaemia-free survival did not significantly differ between the groups. Collectively, the present results indicate that the presence of erythroid dysplasia did not significantly affect clinical characteristics or outcomes in AA patients, suggesting that its presence in AA is acceptable. Therefore, erythroid dysplasia should not exclude an AA diagnosis.


Asunto(s)
Anemia Aplásica , Sistema de Registros , Humanos , Anemia Aplásica/mortalidad , Anemia Aplásica/patología , Anemia Aplásica/tratamiento farmacológico , Femenino , Masculino , Persona de Mediana Edad , Adulto , Anciano , Adulto Joven , Células Eritroides/patología , Adolescente , Anciano de 80 o más Años
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