Gendron Karine, Doherr Marcus G, Gavin Patrick, Lang Johann
Department of Clinical Veterinary Medicine, Clinical Radiology, Vetsuisse Faculty, University of Berne, Länggassstrasse 124, Postfach 8466, 3001 Berne, Switzerland.
Vet Radiol Ultrasound. 2012 Jan-Feb;53(1):50-6. doi: 10.1111/j.1740-8261.2011.01861.x.
Spinal MR images acquired from canine patients over a 7-year period were reviewed for the presence of vertebral endplate changes. Seventy-five dogs with 76 distinct lesions were identified. Presumptive diagnoses fell into five categories: reactive endplate changes (10 dogs/13.2%), discospondylitis (29 dogs/38.2%), vertebral osteochondrosis (7 dogs/9.2%), intravertebral disc herniation (Schmorl's nodes) (4 dogs/5.3%), and fatty infiltration (26 dogs/34.2%). Fatty infiltration occurred significantly more often in small breed dogs (P < 0.001) and tended to be multifocal. The following features were observed in discospondylitis as well as in other nonfatty endplate pathologies: irregular endplates, endplate hyperintensity in T2w or STIR images, reduced endplate signal intensity in T1w SE, variable T1w GRE signal intensity, and endplate contrast enhancement. Overlap between MR characteristics of nonfatty endplate changes should prompt cautious evaluation of adjacent structures.
回顾了7年间从犬类患者获取的脊柱磁共振成像（MR），以检查椎体终板变化情况。共识别出75只患有76处不同病变的犬。初步诊断分为五类：反应性终板变化（10只犬/13.2%）、椎间盘炎（29只犬/38.2%）、椎体骨软骨病（7只犬/9.2%）、椎间盘突出（施莫尔氏结节）（4只犬/5.3%）和脂肪浸润（26只犬/34.2%）。脂肪浸润在小型犬中显著更常见（P<0.001），且往往为多灶性。在椎间盘炎以及其他非脂肪性终板病变中观察到以下特征：终板不规则、T2加权或短tau反转恢复（STIR）图像中终板高信号、T1加权自旋回波（SE）图像中终板信号强度降低、T1加权梯度回波（GRE）信号强度可变以及终板对比增强。非脂肪性终板变化的MR特征之间存在重叠，这应促使对相邻结构进行谨慎评估。
