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目的探讨肺囊肿CT表现形式及其病理改变。方法CT扫描且有手术及病理证实的肺囊肿病例49例共155个病灶,CT观察病变部位、数目、形态、大小、密度、囊壁厚度及周围肺野改变。病理改变以手术所见及病理报告为准。结果CT扫描表现为薄壁含有气囊腔106个,周围肺野无条索影渗出实变、病理报告为单纯肺囊肿。CT扫描表现为薄壁含气囊腔41个,周围肺野可见条索影和/或渗出实变,病理改变为肺囊肿合并感染13个,肺囊肿合并灶性纤维组织增生28个。CT扫描表现为软组织密度肿块8个,其中肺囊肿合并出血1个,肺囊肿合并灶性纤维组织增生及肉芽肿形成3个,肺囊肿合纤维组织增生及炎性假瘤形成4个。结论肺囊肿CT表现形式有3种类型,即薄壁囊腔型、厚壁囊腔型、肿块样型。
Objective To investigate the CT manifestations and pathological changes of pulmonary cysts. Methods A total of 155 lesions of 49 cases of pulmonary cyst were confirmed by operation and pathology. The lesions, number, shape, size, density, wall thickness and surrounding lung field were observed by CT. Pathological changes to surgical findings and pathological report shall prevail. Results The CT scan showed that there were 106 thin-wall air-sac chambers and the surrounding lung fields without any cable-like exudation. The pathological reports were simple pulmonary cysts. Thirty-one patients with thin-wall air-sacs underwent CT scans, and the surrounding lungs and lungs were observed with the shadow and / or oozing solidification. The pathological changes were pulmonary cyst infection and thirteen pulmonary cyst with focal fibrosis. CT scans showed soft tissue density mass 8, including a combination of pulmonary cyst and hemorrhage, pulmonary cyst with focal fibrosis and granuloma formation 3, pulmonary cyst fibrosis and inflammatory pseudotumor formation 4. Conclusions There are three types of CT manifestations of pulmonary cysts: thin-wall cyst type, thick cystic cavity type and mass type.