Title Page
Contents
국문초록 8
ABSTRACT 10
I. Introduction 12
II. Materials and methods 14
A. Study population 14
B. US examination and analysis 15
C. Statistical analysis 16
III. Results 17
IV. Discussion 20
V. Limitations 21
References 22
Table 1. Demographic and Composition of the Breast in Both Groups 25
Table 2. Comparison between Each Group Regarding Frequency of Malignancy 26
Table 3. Pathology of Malignant and High-risk Lesions in Both Groups 27
Table 4. Ultrasound Image Findings to Predict Malignancy in Patients with Multiple Lesions 28
Figure 1. Flowchart shows inclusions and exclusions of patients in study. 29