Abstract
背景与目的部分肺癌患者除原发灶外,还伴多发纯的磨玻璃影(pure ground-glass opacities, pGGO),本研究对pGGO的数目、分布、形态特征进行评估。对没有手术切除的pGGO进行CT随访,观察其变化。方法回顾性分析25例在CT图像上伴有多发pGGO的肺癌病例。结果pGGO的数目总共207个,最大直径2 mm-31 mm。原发灶和pGGO都可出现分叶。183(88.4%)处pGGO边缘清晰或为圆形。87处pGGO中,经外科手术切除17处病变,病理结果为:AAH 13例,BAC 3例,局灶性纤维化1例。120处随访的pGGO,CT随访的中位时间是61.5个月,113(94.2%)处病变没有变化,1处缩小,6处消失。结论肺癌和pGGO中可以出现在相同和/或不同的叶。大多数pGGO的大小在随访期间没有变化。很多小的病变在病理上诊断为AAH和BAC。这些数据证明外科手术切除原发肿瘤对余下的pGGO的预后没有影响。
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