肺结核与肺癌并存者 ,约占老年肺结核的 9.95 % [1] 。因二者临床表现相似 ,早期肺癌Ｘ线征象不典型 ,极易与结核病变混淆或被遮盖 ,故并存肺癌常致漏诊、长期误诊。本病的早期Ｘ线诊断困难。本文结合临床放射实践、病例报道资料与文献复习 ,着重对其早期Ｘ线诊断问题 ,进行分 Tuberculosis and lung cancer coexist, accounting for about 9.95% of elderly tuberculosis [1]. Due to the similar clinical manifestations of both, early X-ray signs of lung cancer are not typical, easily confused with tuberculosis or covered, so the common cause of lung cancer misdiagnosis, long-term misdiagnosis. The early diagnosis of the disease X-ray difficult. In this paper, clinical radiation practice, case reports and literature review, focusing on its early X-ray diagnosis problems, points