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目的 了解肺黏膜相关淋巴组织淋巴瘤CT征象.资料与方法 回顾性分析经病理细胞学和免疫组织化学证实17例肺黏膜相关淋巴组织淋巴瘤CT表现.结果 单肺与双肺病灶分别为6、11例,单发与多发分别为4、13例,肺内病灶总数30个,其中包括14个肺实变影、9个肿块影和7个结节影,支气管充气征和小囊腔14例,胸腔积液4例,淋巴结肿大7例.结论 CT对诊断肺黏膜相关淋巴组织淋巴瘤有一定帮助.“,”Objective To study CT features of pulmonary mucosa associate lymphoid tissue (MALT) lymphoma. Materials and Methods CT scan were performed in 17 cases of pulmonary MALT lymphoma proved by histology. ResuIts 6 cases of MALT lymphoma involved unilateral lung and 11 cases involved bilateral lungs. 4 cases were single lesion and 11 cases multiple lesions. CT features of MALT lymphoma included consolidation (14 of 30) ,nodules(7 of 30) and mass (9 of 30). Air bronchogram and small capsular space were found in 14 of 17 cases. Hydrothorax and hilar lymphadenectasis were showed in four and seven cases. Conclusion CT is useful to the diagnosis of pulmonary mucosa associate lymphoid tissue lymphoma.