Kishimoto Miori, Pae Sa-Hun, Muroya Naoyoshi, Watarai Hirokazu, Anzai Hiroshi, Lee Ki-Ja, Shimizu Junichiro, Sasaki Motoki, Yamada Kazutaka
Department of Clinical Veterinary Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan.
J Vet Sci. 2010 Mar;11(1):89-91. doi: 10.4142/jvs.2010.11.1.89.
Caudolateral curvilinear osteophyte (CCO), an osteophyte at the site of joint capsule attachment on the caudal aspect of the femoral neck, has been advocated as a radiographic criterion for coxofemoral subluxation. The correlation between the presence of CCO on radiographs (radiographic-CCO), the size of the CCO (CCO index) on three-dimensional computed tomographic (CT) images, and hip evaluation using transverse CT images was assessed in 22 Border Collies. CCOs were detected on the radiographs and CT images of 32% and 100% femurs, respectively. The CCO index correlated significantly with radiographic-CCO, but a large CCO index did not necessarily imply that the CCO was visible on radiographs. Hence, radiographic-CCO findings should be used cautiously in hip evaluation of Border Collies.
尾外侧曲线形骨赘(CCO),即位于股骨颈尾侧关节囊附着部位的骨赘,已被提议作为髋股关节半脱位的影像学标准。在22只边境牧羊犬中评估了X线片上CCO的存在(影像学CCO)、三维计算机断层扫描(CT)图像上CCO的大小(CCO指数)以及使用横断面CT图像进行的髋关节评估之间的相关性。分别在32%和100%的股骨X线片和CT图像上检测到CCO。CCO指数与影像学CCO显著相关,但CCO指数大并不一定意味着在X线片上能看到CCO。因此,在边境牧羊犬的髋关节评估中应谨慎使用影像学CCO的检查结果。