Staeubli H U, Bollmann C, Kreutz R, Becker W, Rauschning W
Department of Orthopaedics and Traumatology, Surgical Clinic, Tiefenauspital, Bern, Switzerland.
AJR Am J Roentgenol. 1999 Sep;173(3):691-8. doi: 10.2214/ajr.173.3.10470905.
The purpose of this study was to quantify quadriceps tendon length, thickness, and insertion in relation to the suprapatellar fat pad.
We used three methods to analyze the anatomy of intact quadriceps tendons and insertions into the patellar base: MR arthrography (53 knees with intact extensor mechanisms), gross anatomy (16 cadaveric knees), and cryosections (four cadaveric knees). With an electronic cursor, two observers independently quantified the extensor mechanism on midline sagittal T1-weighted spin-echo sequences acquired on a low-field-strength (0.23 T) scanner.
On MR arthrograms, quadriceps tendon length, determined from the superior patellar pole to the most superior part of the suprapatellar recess, measured 49 +/- 7 mm in women and 50 +/- 9 mm in men. Thickness of quadriceps tendon at three sites (suprapatellar recess, center, and superior patellar pole) measured 7 +/- 1 mm in women and 8 +/- 1 mm in men. Thickness was significantly larger in men at all measurement locations. Quadriceps tendon insertion and the suprapatellar fat pad along the patellar base measured 16 +/- 2 and 6 +/- 2 mm, respectively, in women, and 18 +/- 3 and 7 +/- 2 mm, respectively, in men.
On midline MR images, sagittal thickness of the quadriceps tendon and its insertion was significantly larger in men than in women. The prevalence of the suprapatellar fat pad was 100%.
本研究旨在量化股四头肌肌腱的长度、厚度及其与髌上脂肪垫的附着情况。
我们采用三种方法分析完整股四头肌肌腱及其在髌底附着处的解剖结构：磁共振关节造影（53例伸膝装置完整的膝关节）、大体解剖（16例尸体膝关节）和冷冻切片（4例尸体膝关节）。两名观察者使用电子光标在低场强（0.23T）扫描仪上获取的中线矢状面T1加权自旋回波序列上独立量化伸膝装置。
在磁共振关节造影上，从髌骨上极至髌上隐窝最上部测得的股四头肌肌腱长度，女性为49±7mm，男性为50±9mm。股四头肌肌腱在三个部位（髌上隐窝、中点和髌骨上极）的厚度，女性为7±1mm，男性为8±1mm。在所有测量部位，男性的厚度均显著大于女性。股四头肌肌腱附着处及髌底沿线的髌上脂肪垫，女性分别为16±2mm和6±2mm，男性分别为18±3mm和7±2mm。
在中线磁共振图像上，股四头肌肌腱及其附着处的矢状厚度男性显著大于女性。髌上脂肪垫的发生率为100%。
