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首页> 外文期刊>Skeletal radiology >Quantitative and qualitative assessment of reactive hematopoietic bone marrow in aplastic anemia using MR spectroscopy with variable echo times.
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Quantitative and qualitative assessment of reactive hematopoietic bone marrow in aplastic anemia using MR spectroscopy with variable echo times.

机译：使用可变回波时间的MR光谱对再生障碍性贫血中反应性造血骨髓的定量和定性评估。

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OBJECTIVE: To assess quantitative and qualitative differences in water components between normal bone marrow and reactive hematopoietic marrow in aplastic anemia using magnetic resonance (MR) spectroscopy with variable echo times (TEs). DESIGN: Water content, T2 value of the water component, and signal change in water related to TE were assessed in normal bone marrow and reactive hematopoietic bone marrow by a stimulated echo acquisition mode with TEs of 30, 45, 60, and 90 ms. PATIENTS: Six patients with aplastic anemia (13-84 years) and seven normal volunteers (25-38 years) were examined. RESULTS AND CONCLUSION: Reactive hematopoietic marrow showed significantly higher water content than normal bone marrow. The T2 value of water components tended to be longer in reactive hematopoietic marrow. Water signal ratio related to TE was significantly higher in reactive hematopoietic marrow. These results suggest a quantitative and qualitative difference in water components between normal and reactive hematopoietic bone marrow.
机译：目的：使用可变回波时间（TEs）的磁共振（MR）光谱技术评估再生障碍性贫血中正常骨髓和反应性造血骨髓之间水分量的数量和质量差异。设计：在正常骨髓和反应性造血骨髓中，通过TEs分别为30、45、60和90 ms的刺激回声采集模式，评估了水含量，水分量的T2值以及与TE相关的水的信号变化。患者：检查了6例再生障碍性贫血患者（13-84岁）和7例正常志愿者（25-38岁）。结果与结论：反应性造血骨髓的水分含量明显高于正常骨髓。反应性造血骨髓中水成分的T2值倾向于更长。反应性造血骨髓中与TE相关的水信号比显着更高。这些结果表明正常和反应性造血骨髓之间水成分的数量和质量上的差异。

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