摘要
目的研究股骨头缺血坏死(ANFH)的MRI征象,评价ANFH的分期。方法52例双侧股骨头行低场MRI和和X线片检查,部分行CT检查,并将ANFH的影像学分期进行了和对比。结果(1)52例(66个股骨头)中,双侧15例,单侧37例。其中18个(27%)X线平片为阴性。(2)将ANFH的Mitchell分型与Hungerford分期列于对应表中进行统计学处理。结果A型和B型与0-Ⅱ期之间,C型和D型与Ⅲ、Ⅳ之间有密切的对应关系(P<0.005)。(3)Ⅲ,IV期ANFH合并积液量比0-Ⅱ期明显多。结论低场MRl可准确的显示早期ANFH的病变范围,程度及信号特征。ANFH的MRI分型与影像学分期之间有密切的对应关系,且低场MRI的敏感性及诊断价值高干CT及X线平片。因此临床上凡是有髋部疼痛、功能障碍、长期饮酒及服用类固醇激素者检查都应进行MRI检查,力求早期治疗。
Objective To study MRI features on avascular necrosis of femoral head （ANFH） and assess the stages of ANFH. Methods With 52 cases of double side femoral head being subject to low MRI and X-ray examination, parts of them will be given Computed Tomographic （CT） examination. Thereafter, radiographic grading and comparison will be done on ANFH. Result （I） Among 52 cases （containing 66 femoral heads）, 15 cases are for double sides and 37 for single side, in which 18 cases （account for 27%） which are subject to X-ray examination are checked to be negative. （2） Fill in the MITCHELL type and Hungerford stage into the corresponding lists and carry out statistic analysis to get the results showing that There is close corresponding relation between type A ＆ type B and stage 0-Ⅱ, as well as type C ＆ type D and stage Ⅲ and Ⅳ.（P〈0.005）. （3） During stage Ⅳ, mixed hydrarthrosis of ANFH is evidently more than those appearing from stage 0 to Ⅱ.Conclusion Low MRI shall accurately display primitive pathological changes scope, degree and signal features of ANFH. There is close corresponding relation between MRI typing and radiographic staging on ANFH, and the sensitivity and diagnosis value of low MRI is higher than CT and X-ray. Therefore, MRI examination shall be clinically done on the following patients suffering from pain in hip, function obstacle, long-term alcoholism and applying steroid hormone so as to realize early treatment.
出处
《疾病监测与控制》
2009年第5期289-291,共3页
Journal of Diseases Monitor and Control
关键词
股骨头缺血坏死
磁共振成像
诊断
评价
avascular necrosis of femoral head（ANFH）
MegneticResonancelmaging（MRI）
diagnosis
assessment
