磁共振成像在股骨头缺血性坏死诊治中的准确性和局限性

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股骨头缺血性坏死(ONFH)由于软骨下骨组织细胞缺血缺氧性坏死,引起疼痛和关节塌陷,进而发展成为骨性关节炎,好发于青壮年男性.诊断方法的准确性对于有效评估和治疗ONFH非常重要.目前应用最为广泛的重要影像学检查方法包括X线和磁共振成像(MRI),其中MRI有助于发现早期病变,常用于评估关节表面塌陷前病变的大小和部位,尤其是新的MRI技术(如弥散加权成像和灌注成像技术)可有效的评估预后和治疗.
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