与计算机断层扫描相比,胸部X射线无结构间歇性图案低估了,并且可能无法识别狗的呼吸系统疾病
R Baumgardner1, A Vientos-Plotts2, I Masseau3
1Veterinary Health Center, Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, 900 East Campus Drive, Columbia, MO 65211, USA.
狗的放射性非结构化间歇性图案 (UnIP) 往往表明肺部疾病超出间歇. 胸部计算机断层扫描 (CT) 揭示了各种病理,扩大了对狗呼吸系统疾病的差异诊断.
科学领域:
- 兽医辐射学 兽医辐射学
- 肺部病理学 肺部病理学
- 比较病理学比较病理学
背景情况:
- 狗的胸部放射学 (TR) 上的非结构化间歇性图案 (UnIP) 由于各种临床征兆和非特异性差异,存在诊断挑战.
- 放射性图案可能会误导,暗示间歇性疾病,而病理可能在其他地方.
- 胸部计算机断层扫描 (CT) 提供了优越的亚体解剖定位,并在人类医学中建立了组织学相关性.
研究的目的:
- 为了证明在TR上具有UnIP的狗表现出多个CT模式和子模式,表明病理学超出了间隙.
- 为了证明CT支持包括更广泛疾病的最终诊断,而不是仅仅针对TR的UNIP.
主要方法:
- 追溯登记36只有呼吸道症状的狗和一个单独的UNIP在TR上.
- 胸部CT扫描分析了四个主要CT模式和14个子模式的存在.
- 最终的诊断是通过对临床病理异常的全面评估来确定的.
主要成果:
- 在所有患有UnIP的狗中,CT检测出了超出间歇体的疾病,包括大气道,小气道和混合气道/上腺瘤疾病.
- 每只狗平均有5次诊断 (范围为1至13次),其中92%的狗多次诊断.
- 动态分段/分段气道缩 (支气管缩) 在受影响的狗中,在58%的TR上错过了.
结论:
- 比起TR,CT提供了更全面的犬类呼吸道疾病的解剖相关值.
- 放射性UnIP的经典解释仅仅是间歇性疾病是不够的.
- CT显著扩大了对具有UnIP的狗呼吸道疾病的差异诊断列表.
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