磁共振双回波稳态及T2-mapping序列在髋关节撞击综合征关节软骨退变早期的价值研究
投稿时间:2014-11-12  修订日期:2014-11-26  点此下载全文
引用本文:项剑瑜,刘绪明,王为知,余捷,张淑平,邱亁德.磁共振双回波稳态及T2-mapping序列在髋关节撞击综合征关节软骨退变早期的价值研究[J].医学研究杂志,2015,44(6):100-103
DOI: 10.11969/j.issn.1673-548X.2015.06.028
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作者单位
项剑瑜 325000 浙江省温州市人民医院影像科 
刘绪明 325000 浙江省温州市人民医院影像科 
王为知 325000 浙江省温州市人民医院影像科 
余捷 325000 浙江省温州市人民医院影像科 
张淑平 325000 浙江省温州市人民医院影像科 
邱亁德 325000 浙江省温州市人民医院影像科 
基金项目:温州市科技计划项目(Y20140034)
中文摘要:目的 研究磁共振双回波稳态(DESS)及T2-mapping序列在髋关节撞击综合征(FAI)关节软骨退变早期的价值。方法 选取经过临床确诊的30例早期髋关节撞击综合征患者分别行FS-T2WI、DESS、T2-mapping检查。结果 DESS发现FAI软骨损伤的阳性率显著高于FS-T2WI(10/30vs3/30,χ2=4.812,P=0.028),T2-mapping发现FAI软骨损伤的阳性率也显著高于FS-T2WI(11/30vs3/30,χ2=5.963,P=0.015),DESS和T2-mapping发现FAI软骨损伤的阳性率差异无统计学意义(χ2=0.073,P=0.787)。结论 DESS序列显示髋关节软骨退变敏感度较高,T2-mapping序列成像对FAI关节软骨早期退变进行直观的定量评估,可以发现软骨早期病变,从而能为临床治疗FAI方案提供重要参考依据。
中文关键词:髋关节撞击综合征  DESS  T2-mapping  价值  研究
 
Research on Values of DESS and T2-mapping Sequences in Cartilage Degeneration of Early-stage Femoroacetabular Impingement
Abstract:Objective To explore the value of dual-echo steady state (DESS) and T2-mapping sequence imaging in cartilage degeneration of early-stage femoroacetabular impingement (FAI). Methods Thirty cases of patients with early-stage FAI were selected and given FS-T2WI,DESS and T2-mapping detections respectively. Results DESS showed significantly higher positive rate of FAI cartilage injury than that of FS-T2WI (10/30 vs 3/30, χ2=4.812, P=0.028); T2-mapping also showed significantly higher positive rate of FAI cartilage injury than that of FS-T2WI (11/30 vs 3/30, χ2=5.963, P=0.015); And there were no significant differences between DESS and T2-mapping in the positive rate of FAI cartilage injury (χ2=0.073, P=0.787). Conclusion DESS sequence has a higher sensitivity to cartilage degeneration of hip joint while T2-mapping sequence imaging can intuitively and quantitatively evaluate cartilage degeneration of early-stage FAI,which can be used for early cartilage lesions and can provide important reference basis for clinical treatment on FAI.
keywords:Femoroacetabular impingement (FAI)  DESS  T2-mapping  Value  Research
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