Lau S F, Hazewinkel H A W, Voorhout G
Seng Fong Lau, DVM, PhD, Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Malaysia, Phone: +60 386 093 927, E-mail:
Vet Comp Orthop Traumatol. 2015;28(3):186-92. doi: 10.3415/VCOT-14-09-0144. Epub 2015 Mar 25.
To compare the development, monitored by radiography and computed tomography, of the antebrachia and elbow joints in seven Labrador Retrievers with healthy elbow joints and in seven Labrador Retrievers that developed medial coronoid disease (MCD), in order to determine whether disturbances in the development of the antebrachia and elbow joints, between the age of six and 17 weeks may lead to medial coronoid disease.
A prospective study of 14 Labrador Retrievers in their active growth stage was performed. The development of the antebrachia and elbow joints was assessed between six and 17 weeks of age using radiography and computed tomography determining the development of secondary ossification centres, radioulnar length ratio, radial angulation, and inter-relationship between the humerus, ulna and radius.
For the parameters of ossification of secondary ossification centres, radioulnar length ratio, radial angulation, and joint congruence evaluation, there was no significant difference in the development of the antebrachia and elbow joints of seven Labrador Retrievers positive and seven Labrador Retrievers negative for MCD at the age of six to 17 weeks.
These findings demonstrate that the development of MCD in the Labrador Retrievers in our study was not related to any disturbance in the development of the antebrachia and elbow joints during the rapid growth phase.
通过X线摄影和计算机断层扫描监测，比较7只肘关节健康的拉布拉多寻回犬和7只患内侧冠状突疾病（MCD）的拉布拉多寻回犬前臂和肘关节的发育情况，以确定6至17周龄期间前臂和肘关节发育异常是否会导致内侧冠状突疾病。
对14只处于生长活跃期的拉布拉多寻回犬进行前瞻性研究。在6至17周龄期间，使用X线摄影和计算机断层扫描评估前臂和肘关节的发育情况，确定次级骨化中心的发育、桡尺长度比、桡骨角度以及肱骨、尺骨和桡骨之间的相互关系。
对于次级骨化中心的骨化参数、桡尺长度比、桡骨角度和关节一致性评估，6至17周龄时，7只MCD阳性和7只MCD阴性的拉布拉多寻回犬在前臂和肘关节的发育上没有显著差异。
这些发现表明，在我们的研究中，拉布拉多寻回犬MCD的发生与快速生长阶段前臂和肘关节发育的任何异常无关。
