Methods. Discussion of the patient's clinical and radiologic history, the technical merits of the operative intervention and a review of the relevant background literature are presented.
方法：讨论病人的临床和影像学表现，手术干预技术的优点和相关背景文献的回顾。
2
In the review paper the conditions to which every observation method can be applied are pointed out, their observation errors, their merits and demerits are compared with each other.
指出了各种观测方法的适用条件，比较了它们的测量误差和它们的优缺点，并讨论了各种测量方法存在的问题。
3
In Chapter 1 we briefly review the recent literature of the study and describe the methodology and merits of our contribution.