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细支气管肺泡癌（bronchoalveolarcarcinoma，BAC）起源于细支气管及肺泡上皮，临床少见，约占全部肺癌的2％～5％，早期诊断困难，易与其它肺部疾病混淆。本文总结我院1987年10月～1998年8月经纤维支气管镜（纤支镜）肺活检（TBLB）和支气管肺泡灌洗（BAL）病理确诊的26例BAC
Bronchoalveolar carcinoma (BAC) originated in bronchioles and alveolar epithelium. It is rare in clinical practice and accounts for about 2% to 5% of all lung cancers. It is difficult to diagnose early and is easily confused with other lung diseases. This article summarizes 26 cases of BAC diagnosed by fiberoptic bronchoscopy (TBB) and bronchoalveolar lavage (BAL) pathology from October 1987 to August 1998 in our hospital.