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目的:探讨中央型小细胞肺癌(small cell lung cancer,SCLC)的CT表现特点,以提高对该病的认识和诊断能力。方法:收集经手术或穿刺活检病理证实的46例中央型SCLC的临床资料,回顾性总结分析CT影像特征。结果:肺内肿块、肺门与纵隔淋巴结广泛肿大,而肺不张少见,随访1~2个月,肿块体积增大1倍以上,是中央型SCLC的CT表现特点。结论:中央型SCLC的CT表现有一定的特征性,CT扫描结合CT导向经皮穿刺活检与纤维支气管镜肺活检是诊断中央型SCLC的有效检查方法。
Objective: To investigate the CT features of small cell lung cancer (SCLC) in order to improve their understanding and diagnosis of the disease. Methods: The clinical data of 46 cases of central SCLC confirmed by surgery or biopsy were retrospectively analyzed. Results: Pulmonary masses, hilar and mediastinal lymph nodes were extensively enlarged, while atelectasis was rare. Followed up for 1 to 2 months, the volume of the lumps increased more than one time. It was a CT characteristic of central SCLC. Conclusion: The CT findings of central SCLC have certain characteristics. CT scan combined with CT guided percutaneous biopsy and bronchofibroscopic lung biopsy is an effective method for the diagnosis of central SCLC.