本文报告27例肺大细胞癌的X线研究结果,全部病例均病理证实。男性24例,女性3例,男女之比为8:1。周围型比较多见,生长迅速,转移较早。中心型大细胞癌或发生纵隔与肺门淋巴结转移者,其X线表现类似胸内淋巴瘤。周围型肿块可以坏死形成空洞或发展成大的实质性肿块。本病X线诊断不难,使用适当的活检技术,70～90％的病例可以确诊。 This article reports the results of X-ray study of 27 cases of large cell lung cancer. All cases were confirmed by pathology. There were 24 males and 3 females. The male to female ratio was 8:1. Peripheral type is more common, rapid growth, transfer earlier. Central-type large cell carcinoma or mediastinal and hilar lymph node metastases, its X-ray performance similar to intrathoracic lymphoma. Peripheral tumors can become necrotic or empty into large solid masses. X-ray diagnosis of this disease is not difficult, using appropriate biopsy technology, 70 to 90% of cases can be diagnosed.