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目的 总结原发性肺淋巴瘤的多层螺旋CT(MSCT)特征,旨在为临床诊断提供有效的影像学诊断依据.方法 回顾性分析大连市友谊医院2010年1月至2019年3月11例经组织病理学证实的原发性肺淋巴瘤的MSCT表现.结果 11例患者中,肺非霍奇金淋巴瘤9例,其中肺黏膜相关淋巴组织结外边缘区B细胞淋巴瘤(MALT淋巴瘤)7例,肺弥漫大B细胞淋巴瘤(DLBCL)2例;肺霍奇金淋巴瘤2例.单发2例,多发9例.结节肿块型6例,肺炎实变型2例,间质型1例,混合型2例.6例合并支气管充气征,3例合并磨玻璃密度影,4例合并血管造影征,4例合并淋巴管、支气管血管束周围播散,2例伴淋巴结病变.结论 原发性肺淋巴瘤的影像诊断虽然困难,但MSCT具有一定的特征性,提高相应征象的辨识对临床有一定的指导意义.“,”Objective To summarize the imaging features of multi-slice spiral CT (MSCT) in primary pulmonary lymphoma (PPL),in order to provide effective imaging diagnostic basis for clinical diagnosis.Methods The MSCT findings of 11 patients with PPL in Dalian Municipal Friendship Hospital from January 2010 to March 2019 were retrospectively analyzed.Results Among the 11 patients,pulmonary non-Hodgkin lymphoma was in 9 cases,of which pulmonary mucosa-associated lowgrade marginal zone B-cell lymphoma (MALT lymphoma) was in 7 cases,pulmonary diffuse large B-cell lymphoma (DLBCL) was in 2 cases,and pulmonary Hodgkin lymphoma was in 2 cases.Single lesion was in 2 cases,and multiple lesions was in 9 cases.Nodules and mass type was in 6 cases,solid type in 2 cases,interstitial type in 1 case,and mixed type was in 2 cases.Consolidations with air bronchogram was in 6 cases,ground-glass opacity like nodules in 3 cases,angiogramsign in 4 cases,perilymphatic and/or peribronchovascular spread in 4 cases,and lymphadenopathies were in 2 cases.Conclusions Although the imaging diagnosis of primary lung lymphoma is difficult,MSCT has certain characteristics,and improving the identification of corresponding signs has certain guiding significance for clinical practice.