这个词是什么意思？
A myelodysplastic/myeloproliferative disorder characterized by myelodysplasia associated with bone marrow and peripheral blood patterns similar to CHRONIC MYELOID LEUKEMIA, but cytogenetically lacking a PHILADELPHIA CHROMOSOME or bcr/abl fusion gene (GENES, ABL).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D054438 · MeSH 2026。
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