目的 探讨前纵隔淋巴瘤的CT特 征，以提高其诊断的正确率。方法 回顾 性分析12例经手术病理证实的前纵隔淋 巴瘤患者资料，全部均行CT平扫及增强扫 描。结果 12例中，位于右前纵隔2例，左 前纵隔2例，跨越左右前纵隔8例。全部呈 分叶或形态不规则，均见坏死或囊变，无 钙化，9例呈多结节融合状，7例肿块旁见 软组织结节影，8例包绕或侵犯大血管、 心包，增强扫描10例呈轻度强化。结论 前纵隔淋巴瘤CT表现有一定特征性，仔细 分析可与前纵隔其他肿瘤鉴别。

Objective To investigate CT features of anterior mediastinal lymphoma and improve its diagnostic accuracy. Methods The date of 12 patients with pathologically proved anterior mediastinal lymphoma were analyzed. All the patients underwent CT plain and enhanced scan. Results Of the total 12 cases, there were 2 located at the right anterior, 2 at the left anterior, 8 at the left and right anterior.All cases were lobulated or irregular-shaped, they showed necrosis or cystic change, without calcification, 9 cases were multiple nodules fusion, 7 cases had some swelling lymph nodes around the tumor,8 cases embed or invaded neighborhood blood vessel and pericardium. On enhanced scan, 10 cases showed slightly enhancement. Conclusion Anterior mediastinal lymphoma has some CT characteristics, and it can be identification with other anterior mediastinal tumorswhile analyzing carefully.