抗中性粒细胞胞质抗体相关肺血管炎的少见CT表现

Chinese Journal of Medical Imaging(2013)

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Abstract
目的探讨CT诊断抗中性粒细胞胞质抗体(ANCA)相关肺血管炎的少见影像学表现。资料与方法回顾性分析37例ANCA相关肺血管炎患者的高分辨率CT表现。结果 37例患者中,18例韦氏肉芽肿病(WG),9例变应性肉芽肿性血管炎(CSS),10例显微镜下多血管炎(MPA)。WG患者中,1例仅表现为两肺淋巴肺血管束增粗,17例每例有1~11个结节,结节边缘清楚。CSS患者5例出现磨玻璃影。MPA患者中,1例出现礼花弹样反晕征,9例表现为云絮样渗出、磨玻璃影和部分实变。结论与ANCA相关的肺血管炎CT影像具有多样性,认识其少见CT表现,并结合实验室血清学检测,可以避免误诊。
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Key words
ANCA-positive vasculitides,Pulmonary vasculitis: Imaging diagnosis by CT
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