Title Page
Contents
국문초록 8
ABSTRACT 11
I. Introduction 14
II. Objectives 17
III. Materials and methods 18
A. Patients 18
B. MRI protocol 18
C. Image analysis 20
D. Statistical analyses 22
IV. Results 23
V. Discussion 25
VI. Conclusion 29
References 30
Table 1. Acquisition parameters 34
Table 2. Non-uniformity measurements 35
Table 3. Image quality assessment 36
Table 4. Lesion detectability 37
Figure 1. 52-year-old man with quadriparesis. 38
Figure 2. 80-year-old man with posterior neck pain and right arm weakness. 39
Figure 3. 52-year-old woman with ataxia. 41