髌骨高度的X线片测量与断层扫描测量的比较验证
Comparative validation of the radiographic and tomographic measurement of patellar height.
作者信息
Schueda Marco Antonio, Astur Diego Costa, Arliani Gustavo Gonçalves, Hornburg Gilberto, Serpa Ricardo, Neto Walter Heinig, Kaleka Camila Cohen, Cohen Moisés
机构信息
Orthopedist and coordinator of the Knee Surgery and Arthroscopy Post-Graduation Service of Instituto de Ortopedia e Traumatologia (IOT) and Trauma Sports, Joinville, SC, Brazil.
Orthopedist at the Sports Traumatology Center of the Orthopedics and Traumatology Department of Escola Paulista de Medicina da Universidade Federal de São Paulo (Unifesp), São Paulo, SP, Brazil.
出版信息
Rev Bras Ortop. 2013 Oct 26;48(5):397-401. doi: 10.1016/j.rboe.2012.07.009. eCollection 2013 Sep-Oct.
OBJECTIVE
To evaluate and validate the radiographic measurement of patellar height with computerized tomography scans.
METHODS
Measured the patellar height through the lateral radiographic image supported by one foot and sagittal tomographic view of the knee in extension, flexion of 20°, and quadriceps contraction of 40 patients (80 knees), asymptomatic and no history of knee injuries using Insall-Salvati index. There were 20 adult females and 20 adult males.
RESULTS
The height patellar index was higher in women of all images taken, in proportion. There was no statistical difference of patellar height index between the radiographics and tomographics images.
CONCLUSION
The Insall-Salvati index in females was higher in all cases evaluated. Furthermore, it is possible to measure the patellar height index during tomographic study without distorting the results obtained, using to define the presence of patella alta or patella baja.
目的
通过计算机断层扫描评估和验证髌骨高度的影像学测量。
方法
采用Insall-Salvati指数，通过单脚支撑的膝关节侧位X线片以及膝关节伸直、屈曲20°和股四头肌收缩时的矢状断层图像，测量40例（80膝）无症状且无膝关节损伤史的患者（20名成年女性和20名成年男性）的髌骨高度。
结果
在所有拍摄的图像中，女性的髌骨高度指数相对较高。X线片和断层图像之间的髌骨高度指数无统计学差异。
结论
在所有评估病例中，女性的Insall-Salvati指数均较高。此外，在断层扫描研究中可以测量髌骨高度指数，且不会扭曲所获得的结果，可用于确定高位髌骨或低位髌骨的存在。
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