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首页> 外文期刊>Journal of orthopaedic research >Three-dimensional computed tomography of the hip in the assessment of femoroacetabular impingement.
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Three-dimensional computed tomography of the hip in the assessment of femoroacetabular impingement.

机译：髋关节三维计算机断层扫描评估股骨髋臼撞击。

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摘要

Femoroacetabular impingement secondary to the cam effect is thought to be associated with an insufficient anterior concavity in the sagittal/axial plane of the femoral head-neck junction. Using three-dimensional computed tomography the anterior and posterior concavity of the femoral head-neck junction was assessed in 36 painful non-dysplastic hips (30 patients). The mean age of the symptomatic hips was 40.7 with 13 females and 17 males. Eighteen out of the 36 hips had a pistol grip deformity. Magnetic resonance gadolinium arthrography was performed to assess for labral and cartilage lesions. Alpha and beta angles measuring the anterior and posterior femoral head-neck junction concavities were also determined in 20 asymptomatic hips (12 patients; mean age 37, 5 females and 7 males) using three-dimensional computed tomography. The mean alpha angle for the symptomatic and the control group were: 66.4 versus 43.8 (p=0.001), and for the beta angle 40.2 versus 43.8 (p=0.011), respectively. All but one of thesymptomatic hips had a labral tear with 61% of these hips having associated cartilage damage. Three-dimensional computed tomography represents an accurate tool to quantify the femoral head-neck concavity providing a non-invasive assessment of hips at risk of femoroacetabular impingement.
机译：继发于凸轮作用的股骨髋臼撞击被认为与股骨头-颈部交界的矢状/轴向平面中的前凹不足有关。使用三维计算机断层扫描技术，对36例疼痛性非增生性髋关节（30例患者）的股骨头颈颈部前凹和后凹进行了评估。有症状的臀部的平均年龄为40.7岁，其中女性13例，男性17例。 36髋中有18发生了手枪握把畸形。进行了磁共振g关节造影以评估唇唇和软骨病变。还使用三维计算机断层扫描在20例无症状的髋关节（12例;平均年龄37岁，女性5例，男性7例）中确定了测量股骨头前颈和后颈凹陷的α和β角。有症状组和对照组的平均α角分别为：66.4对43.8（p = 0.001）和β相角40.2对43.8（p = 0.011）。除一只有症状的髋部外，其他所有髋部均出现唇裂，其中61％的髋部伴有软骨损伤。三维计算机断层扫描是一种量化股骨头颈凹度的精确工具，可对处于髋臼髋臼撞击风险中的髋部进行非侵入性评估。

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