细支气管肺泡细胞癌是起源于细支气管及肺泡上皮的肺原发肿瘤，有孤立型和弥漫型两种。因其发病率低，约占原发性支气管肺癌总数的１％～９％［１，２］，因其临床症状不典型，Ｘ线表现多种多样［２］，故常误诊。我院近１０ａ共收治经病理证实的细气管肺泡癌２４例（孤立... Bronchioloalveolar cell carcinoma is a primary lung tumor originating in bronchioles and alveolar epithelium, and is isolated and diffuse. Because of its low incidence, accounting for about 1% to 9% of the total number of primary bronchogenic lung cancers [1, 2], due to its atypical clinical symptoms, X-ray findings varied [2], it is often misdiagnosed. In our hospital for the past 10 years, a total of 24 patients with pathologically proven fine tracheal alveolar carcinoma were treated.