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目的探讨CT增强扫描对肺隔离症的诊断价值。方法对19例肺隔离症患者CT增强扫描进行回顾性分析,所有患者均经手术或主动脉造影证实。结果19例肺隔离症中有17例为肺叶内型,2例为肺叶外型,19例患者的病灶均位于两下肺。呈囊性病灶6例,实性病灶5例,囊实性病灶8例,病灶周围有肺气肿11例。其中18例CT显示供血动脉。结论CT增强扫描清晰显示肺隔离症结节或肿块内部的囊实性成分及异常的主动脉供血血管,是无创性评价肺隔离症的首先检查方法。
Objective To investigate the diagnostic value of enhanced CT in the diagnosis of pulmonary sequestration. Methods Nineteen patients with pulmonary sequestration were retrospectively analyzed by CT scanning. All patients were confirmed by surgery or aortography. Results Of the 19 cases of pulmonary sequestration, 17 were pulmonary lobes, 2 were lung lobes, and 19 were located in both lungs. Cystic lesions in 6 cases, solid lesions in 5 cases, cystic solid lesions in 8 cases, lesions around emphysema in 11 cases. Among them, 18 cases of CT showed blood supply artery. Conclusions CT enhanced scan clearly shows the cystic solid components in the nodules or lumps of the pulmonary sequestration and the abnormal blood supply to the aorta. It is the first noninvasive method to evaluate pulmonary sequestration.