Padhani A R, Fishman E K, Heitmiller R F, Wang K P, Wheeler J H, Kuhlman J E
Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
Clin Imaging. 1995 Oct-Dec;19(4):252-7. doi: 10.1016/0899-7071(94)00059-l.
Spiral or helical computed tomography (CT)-generated multiplanar reconstructions were used in the radiological assessment of the pulmonary hila in patients with central lung cancer. Twelve patients with non-small-cell lung cancer and hilar abnormalities were examined with contrast-enhanced spiral CT. Studies were performed on a Siemens Somatom S or Plus-S scanner using either a 24- or 32-second spiral. The study volume was from the arch of the aorta to the inferior pulmonary veins done in a single breath-hold, using 4-mm collimation, and reconstructed at 2-mm intervals. We assessed the quality of vascular enhancement and of multiplanar reconstructions. Bronchoscopic, surgical, and pathological findings were correlated. Excellent vascular opacification and good-quality reconstructions were obtained in all patients. No interscan motion was detected. No problems were encountered with the breathholding technique or in the reconstruction of images, even in patients with poor respiratory function. Multiplanar reconstructions were useful for the evaluation of mediastinal including vascular and airways invasion, for optimal definition of lymph node groups, for the planning of bronchoscopically guided biopsy, as well as for endobronchoscopic laser coagulation therapy and surgical treatment. Spiral CT-generated multiplanar reconstructions of the hila are helpful for staging, solving problems, guiding bronchoscopy, and planning surgery. Even patients with limited respiratory reserve can successfully complete the examination.
螺旋或螺旋计算机断层扫描(CT)生成的多平面重建用于中央型肺癌患者肺门的放射学评估。对12例非小细胞肺癌伴肺门异常的患者进行了对比增强螺旋CT检查。使用西门子Somatom S或Plus-S扫描仪进行研究,采用24秒或32秒螺旋扫描。研究范围从主动脉弓至肺下静脉,在一次屏气时完成,准直4毫米,以2毫米间隔重建。我们评估了血管强化和多平面重建的质量。将支气管镜、手术和病理结果进行了相关性分析。所有患者均获得了良好的血管显影和高质量的重建。未检测到扫描间运动。即使是呼吸功能较差的患者,屏气技术或图像重建也未出现问题。多平面重建有助于评估纵隔,包括血管和气道侵犯,优化淋巴结分组的定义,规划支气管镜引导下活检,以及进行支气管内激光凝固治疗和手术治疗。螺旋CT生成的肺门多平面重建有助于分期、解决问题、指导支气管镜检查和规划手术。即使是呼吸储备有限的患者也能成功完成检查。