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肺癌侵犯肺动脉干或其分支根部的CT诊断及手术治疗

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摘要 目的观察肺癌侵犯肺动脉干或其分支根部的CT征象,总结手术经验。方法56例肺癌侵犯肺动脉干或其分支根部患者,其中26行全肺切除,切除标本进行病理解剖,与术前CT检查结果进行对比;30例行肺叶切除,仅将肿瘤直接从肺动脉外剥除。结果无手术死亡病例。CT表现为管周脂肪异常56例,肿块与肺动脉干紧密相贴或包绕46例,其中肿瘤包绕肺动脉干全周17例,部分包绕29例。左肺动脉受压迫及移位2例,低肺血流灌注3例。26例全肺切除术后病理:6例肺动脉外膜完好者未见癌浸润,其余20例的外膜和中膜受癌浸润,水肿或肉芽组织增生突出,但仅局限在中层的外弹性膜周围,内膜未受侵。肿瘤包绕管壁全周或部分,二者在癌浸润深度上无明显差别。术后随访35例,其中21例行肺叶切除者未发现肺动脉局部复发。2年生存率:Ⅲa期(2/4)50%,Ⅲb期(8/31)25.8%。结论CT诊断肺癌侵犯肺动脉干或其分支根部有一定局限性,肺动脉干受侵犯仍可直接将肿瘤从其上剥除。
出处 《中国医药》 2006年第6期349-350,共2页 China Medicine
关键词 肺肿瘤 肺动脉 CT
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