低龄肺癌的特点与误诊分析（附47例报告）

目的:探讨低龄肺癌的特点,分析误诊原因,总结早期诊断经验.方法:对误诊的47例低龄肺癌进行回顾性统计.结果:低龄肺癌发病有中年化倾向,发生率为6.35%;误诊率为87.04%;确诊时间在3个月以上者有40.43%;病理分型以腺癌和小细胞癌为主,两者构成比分别为42.53%和23.40%;TMN分期;中、晚期肺癌达93.62%;住院死亡率27.66%,确诊后1年内死亡者占有效随访的86.36%.结论:(1)低龄肺癌以误诊率高、恶性程度高、进展快、转移率高、手术和切除率低、可手术率低、预后差等为主要特点.(2)普遍误诊原因有:对低龄肺癌警惕性不高;鉴别诊断困难.(3)应提高对低龄肺癌的认识,提倡早诊断、早治疗.

Analysis of young- middle aged features and diagnostic errors of lung cancer (A report of 47 cases)

Objective:To explore the features of young- middle aged lung cancer, analyse the causes of diagnostic errors and sum up accordingly the experiences of earlier diagnosis. Method: 47 cases of young ?middle aged lung cancer were statistally reviewed. Result: There was a tendency towards middle aged lung cancer. The incidence accounted for 6.35% in the whole lung cancer inpatients; misdiagnostic rate 87.04% . The patients, who were definitely diagnosed more than 3 months, accounted for 40.43% . Pathologic typing were mainly lung adenocarcinoma and small cell lung cancer, and their constituent ratio were 42.53 % and 23.40% respectively. Middle and late lung cancer of TNM staging accounted fro 93.62% . The death rate of the inpatients was 27.66% . The patients, who died in one year since they were definitely diagnosed accounted for 86.36% of the effective follow-up. Conclusions: (1) Young - middle aged lung cancer had featured by high rates of misdiagnosis, malignization quick progression and transiton, low rate of operation and resection, low rate of operability, unfavourable prognosis, et al. (2) the reasons for misdiagnosis were unawareness of young- middle aged lung cancer; defficulty in diagnosing. (3) The doctors should improve the knowledge on young - middle aged lung cancer, earlier diagnosis and treatment.