Abstract

背景与目的肺类癌采取以手术为主的多学科治疗,准确及时的病理诊断至关重要。本研究探讨肺类癌的病理特质,结合回顾性分析患者的转归预后,为临床决策提供依据。方法收集支气管肺内发生的类癌手术标本32例,回顾性分析患者相关的临床病理资料,系统研究病灶病理学表现与临床诊断和治疗效果的相关性。结果32例肺类癌患者中,典型类癌18例,不典型类癌14例;男女性别比为2.2:1;平均年龄(44±15)岁;近半数患者无症状;肿瘤最大径(3.1±1.3)cm;绝大多数为Ⅰ期患者(84.4%, 27/32),余Ⅱa期2例,Ⅲa期2例,Ⅳ期1例;随访时间为5.2年-9.7年;其中典型类癌随访15例,5年无进展生存率为100%;不典型类癌随访12例,5年无进展生存率为92.9%;肺类癌病理组织学的特质是典型的神经内分泌形态伴细胞角蛋白阳性,嗜铬素A、突触素和CD56等神经内分泌指标的表达,Ki-67指数的高低有助于鉴别诊断。结论肺类癌的病理鉴别诊断应结合相关酶标染色,积极争取手术是适宜的临床决策。

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