原发性肺非霍杰金淋巴瘤是指起源于肺内淋巴组织的恶性淋巴瘤,其临床表现无特异性,纤维支气管镜(简称纤支镜)及痰涂片细胞学检查又多为阴性,以往诊断主要依靠手术而获得病理学依据,故临床误诊率较高,误诊时间长。我们回顾性总结了浙江大学医学院附属第一医院几年来经病理确诊的 Primary lung non-Hodgkin’s lymphoma is a malignant lymphoma originated in the lung lymphoid tissue, the clinical manifestations of non-specific, bronchoscopy (referred to as bronchoscopy) and sputum smear cytology were mostly negative In the past, the diagnosis mainly relied on the operation to obtain the pathological basis, so the clinical misdiagnosis rate was high and the misdiagnosis time was long. We retrospectively summarized the first affiliated hospital of Zhejiang University Medical College pathologically confirmed over the past few years