纵隔肿物临床较少见,明确的组织病理学诊断对临床治疗具有重要意义。2009年1月—2014年12月,我们在超声引导下进行纵隔肿物穿刺活检48例,效果满意。现分析报告如下。1临床资料1.1一般情况选择经X线、CT、MRI诊断为纵隔肿物,且适合超声引导下穿刺活检的患者48例,男33例,女15例;年龄26~58岁,平均36岁。前纵隔肿物44例,后纵隔肿物4例。均为单发病灶,病灶大小 Mediastinal tumor is relatively rare, a clear histopathological diagnosis of clinical treatment is of great significance. From January 2009 to December 2014, 48 cases of mediastinal biopsy were performed under the guidance of ultrasound. The results were satisfactory. The analysis report is as follows. 1 Clinical data 1.1 General Choose X-ray, CT, MRI diagnosis of mediastinal masses, and suitable for ultrasound-guided biopsy underwent 48 patients, 33 males and 15 females; aged 26 to 58 years, mean 36 years. 44 cases of anterior mediastinum tumor, 4 cases of posterior mediastinal mass. Are single lesions, lesion size