Gualdi G F, Volpe A, Polettini E, Jula G F
Università degli Studi di Roma La Sapienza, I Clinica Medica.
Clin Ter. 1992 Dec;141(12):493-8.
On the basis of a review of the literature and of the authors' personal experience, the usefulness was evaluated of CT and MR for the staging of lung carcinoma. Neither method was found to be useful for diagnosis; as to staging, neither is capable to distinguish between simple adhesion and infiltration of adjacent structures by the tumor. As compared to CT, MR has the advantage of showing many layers and better contrast resolution but spatial resolution is poorer. MR was superior to CT for the study of hilar lesions (easily differentiated from vessels) and for those involving the upper pulmonary sulcus. The accuracy of evaluation of the N parameter was the same for both methods whereas for the M parameter RM was more accurate than CT. Considering the wide margins for technological improvement of MR, a more important role for this method compared to CT can be hypothesized.
基于文献综述和作者的个人经验，对CT和MR在肺癌分期中的实用性进行了评估。发现这两种方法对诊断均无用处；至于分期，两者均无法区分肿瘤对相邻结构的单纯粘连和浸润。与CT相比，MR的优势在于能够显示多层图像且对比度分辨率更高，但空间分辨率较差。在研究肺门病变（易于与血管区分）以及累及肺上沟的病变时，MR优于CT。两种方法对N参数的评估准确性相同，而对于M参数，MR比CT更准确。考虑到MR在技术改进方面有很大空间，可以推测该方法相对于CT将发挥更重要的作用。
