Abstract

背景与目的目前国内肺癌仍是发病率和致死率最高的恶性肿瘤,肺腺癌是其最常见的亚型,影像学中表现为混合性磨玻璃结节(mixed ground glass nodule, mGGN)的肺癌逐渐增多。脏层胸膜侵犯(visceral pleural invasion, VPI)是影响mGGN型肺腺癌预后的重要因素。本研究旨在探索分析mGGN型肺腺癌发生VPI的危险因素。方法回顾性分析2016年11月-2019年11月南京医科大学第一附属医院收治的接受根治性手术的128例mGGN型肺腺癌患者的临床资料,包括影像、病理和生物学特征,其中男性40例、女性88例,年龄30岁-81(60.3±9.3)岁。采用单因素卡方检验与多因素Logistic回归分析调查mGGN型肺腺癌发生VPI的各项危险因素。结果符合纳入标准的128例mGGN型肺腺癌患者中57例被诊断有VPI发生。性别、实性成分最大径、实性成分比例(consolidation tumor ratio, CTR)、毛刺征、肺部疾病史、高血压家族史、肿瘤-胸膜空间位置分型(relation of lesion to pleura, RLP)、支气管与结节走行关系在VPI(+)组和VPI(-)组间的差异均有统计学意义(P < 0.05)。Logistic多因素回归分析发现RLP(OR=3.529, 95%CI: 1.430-8.713, P=0.006)和支气管与结节走行关系(OR=3.993, 95%CI: 1.517-10.51, P=0.005)是VPI发生的独立危险因素(P < 0.05)。结论临床诊治应综合上述参数评估mGGN型肺腺癌发生VPI的可能性。RLP和支气管与结节走行关系异常作为VPI的独立危险因素,对判断mGGN型肺腺癌发生VPI具有一定的指导意义。

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