Department of Radiology, University of California-San Diego, San Diego, CA, USA.
Radiology. 2012 Apr;263(1):189-98. doi: 10.1148/radiol.12111320. Epub 2012 Feb 27.
To demonstrate the anatomy of the capsular ligaments of the hip by using magnetic resonance (MR) arthrography.
Institutional policies were followed regarding cadaver use. MR arthrographic images of 10 fresh human cadaveric hips were obtained by using a positioning device to arrange the hip joint in different controlled positions. MR appearances of the capsular structures were noted and correlated with those seen on anatomic slices and dissections. Two readers working in consensus graded the visibility of these structures. Tissue samples were collected for histologic analysis. An MR positional study was performed to evaluate the length of these capsular ligaments and the subjective classification of their appearance as either taut or lax in extension, flexion, abduction, adduction, and internal and external rotation.
The hip capsule inserts proximally and continuously to the acetabular rim periosteum. Distally, it has a firm anterior insertion at the femoral intertrochanteric line and no posterior osseous insertion. The inferior band of the iliofemoral ligament was best evaluated in the sagittal, axial, and axial oblique planes, and it serves a restrictive function in extension; the superior band of the iliofemoral ligament was best evaluated in the coronal and axial oblique planes, and it serves a restrictive function in external rotation; the ischiofemoral ligament was best evaluated in the axial and axial oblique planes, and it serves a restrictive role in internal rotation; the pubofemoral ligament was best evaluated in the sagittal plane, and it serves a restrictive function in abduction; and the zona orbicularis could be evaluated equally well in any imaging plane.
MR arthrography enables visualization of the capsular ligaments of the hip.
通过磁共振（MR）关节造影术显示髋关节囊韧带的解剖结构。
本研究遵循机构有关尸体使用的政策。使用定位装置将 10 具新鲜人体尸体髋关节置于不同的控制位置，获取 MR 关节造影图像。记录囊结构的 MR 表现，并与解剖切片和解剖结果相关联。两位共同工作的读者对这些结构的可见性进行了分级。采集组织样本进行组织学分析。进行 MR 位置研究以评估这些囊韧带的长度，并对其在伸展、弯曲、外展、内收、内旋和外旋时的外观进行主观分类，分为紧张或松弛。
髋关节囊近端连续插入髋臼边缘骨膜。远端，在股骨转子间线处有一个坚固的前方附着点，没有后方的骨性附着点。髂股韧带的下束在矢状位、轴位和轴位斜位上评估最佳，它在伸展时起限制作用；髂股韧带的上束在冠状位和轴位斜位上评估最佳，它在外旋时起限制作用；坐股韧带在轴位和轴位斜位上评估最佳，它在内旋时起限制作用；耻骨股韧带在矢状位上评估最佳，它在外展时起限制作用；环状匝可以在任何成像平面上进行评估。
MR 关节造影术可显示髋关节囊韧带。
