患者男,76岁。7年前行左侧额叶脑膜瘤切除术,术后恢复尚可;4个月前因言语迟钝、右侧肢体活动障碍就诊,行左侧额部复发脑膜瘤切除术,术后病理:间变型脑膜瘤(WHOⅢ级)。1周前出现头晕、吞咽困难。既往有结核感染史。胸部CT检查:双肺见随机分布的高密度类圆形结节(图1、2),边界清楚。双下肺见斑片状高密度影,磨玻璃密 Male patient, 76 years old. Seven years ago, the left frontal lobe meningioma was removed and the postoperative recovery was acceptable. Four months ago, the left frontal recurrent meningioma was removed due to delayed speech and right limb movement disorder. Postoperative pathology: Meningioma (WHO grade III). 1 week ago dizziness, difficulty swallowing. Past history of tuberculosis. Chest CT examination: See the random distribution of double-lung high-density round nodules (Figure 1,2), clear boundary. See the lower lung double patchy high-density shadow, ground glass dense