Rockoff S D
Cancer. 1977 Feb;39(2 Suppl):694-6. doi: 10.1002/1097-0142(197702)39:2+<694::aid-cncr2820390703>3.0.co;2-6.
The development and application of computerized tomography of the body have important implications in the diagnosis of tumors and in the planning of the radiotherapy treatment of malignancies because the modality provedes: a) an exact contour of transverse sections of the body; b) distinct representation of anatomic internal structures; c) ability to diagnose the presence and extent of tumor involvement of internal organs; d) opportunity to obtain, quantitatively, the "density" (x-ray absorption) of the anatomical structures in the sections; e) capability to develop isodose curves with inhomogeneity corrections; and f) ability to follow the response of a tumor to treatment, non-invasively. Although the diagnostic efficacy of computerized tomography of tumors, relative to other diagnostic modalities, is still to be defined accurately and the exact role of this new method in radiotherapy treatment planning is still to be determined, computerized tomography appears to provide oncologists with a valuable adjunct in their management of tumor patients.
计算机体层摄影术的发展与应用在肿瘤诊断及恶性肿瘤放射治疗计划制定方面具有重要意义，因为该技术具备以下特点：a）能精确显示身体横断面轮廓；b）清晰呈现解剖学内部结构；c）可诊断内部器官肿瘤累及的存在及范围；d）有机会定量获取切片中解剖结构的“密度”（X线吸收值）；e）能够绘制经不均匀性校正的等剂量曲线；f）能无创跟踪肿瘤对治疗的反应。尽管相对于其他诊断方法，肿瘤计算机体层摄影术的诊断效能仍有待准确界定，且这种新方法在放射治疗计划制定中的确切作用也尚待确定，但计算机体层摄影术似乎为肿瘤学家管理肿瘤患者提供了一项有价值的辅助手段。
