A 75-year-old man presents with a several-week history of productive cough, occasionally blood-streaked sputum(痰中带血丝), night sweats(盗汗), and pleuritic chest pain. Chest CT is pending.
Which of the following is the most common radiologic manifestation of nocardiosis in nonendemic areas?
A. Cavitatory nodule空洞性结节
B. Centrilobular micronodules 小叶中心微结节
C. Ground-glass opacity 磨玻璃样阴影
D. Pleuraleffusion 胸腔积液
投票结果:
诺卡菌病最常见的放射学表现是气腔实变(52.8%),通常是均匀的,但偶尔是片状的,结节(82.3%),单发或多发,可与转移癌混淆。约1/3的病例出现胸膜受累伴脓胸。最常见的x线表现是空洞形成,实变和结节均有发现。小叶中心微结节是过敏性肺炎的特征。
A
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