颅内转移瘤是成人常见的颅内肿瘤之一 ,原发肿瘤以肺癌最多见 ,约占 5 0 % [1] 。近年来随着肺癌发病率的上升 ,其颅内转移的发生率亦随之上升 ,影像诊断日显重要。本文回顾分析我院 1994— 2 0 0 4年经手术病理或临床综合资料证实的 76例肺癌颅内转移的CT与MRI表现 ,以进一步 Intracranial metastases is one of the common intracranial tumors in adults. The primary tumor is the most common in lung cancer, accounting for 50% [1]. In recent years, with the rising incidence of lung cancer, the incidence of intracranial metastases also increased, imaging diagnosis is increasingly important. This article retrospectively analyzed our hospital from 1994 to 2004 by pathology or clinical data confirmed 76 cases of lung cancer CT and MRI manifestations of the brain to further