Comparison of 3.0-and 1.5-tesla diffusion-weighted imaging in the visibility of breast cancer

被引：100

作者：

Matsuoka, Aoi ^{[1
]}

Minato, Masako ^{[2
]}

Harada, Masafumi ^{[3
]}

Kubo, Hitoshi ^{[3
]}

Bandou, Yoshikatsu ^{[3
]}

Tangoku, Akira ^{[4
]}

Nakano, Kiichirou ^{[4
]}

Nishitani, Hiromu ^{[1
]}

机构：

[1] Univ Tokushima, Sch Med, Dept Radiol, Tokushima 7708509, Japan

[2] Tokushima Prefectural Cent Hosp, Dept Radiol, Tokushima, Japan

[3] Univ Tokushima, Sch Hlth Sci, Dept Radiol Technol, Tokushima 770, Japan

[4] Univ Tokushima, Sch Med, Dept Oncol & Regenerat Surg, Tokushima 770, Japan

来源：

RADIATION MEDICINE | 2008年 / 26卷 / 01期

关键词：

3.0; tesla; diffusion-weighted imaging; breast cancer;

D O I：

10.1007/s11604-007-0187-6

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Purpose. The aim of this study was to compare diffusion-weighted imaging (DWI) at 3.0 T and 1.5 T by evaluating the apparent diffusion coefficient (ADC) value and visibility of breast cancer in the same patients. Materials and methods. A total of 13 patients (16 lesions) with breast cancer underwent DWI at 3.0 T and 1.5 T. Tumors were classified into two groups based on the lesion size. The ADC values were measured, and visibility of the tumors was scored blindly. Results. No significant difference was found for ADC values between 3.0 T and 1.5 T in either group (P > 0.05). All of the large lesions were visible clearly at both magnetic field strengths, and image scores were not different (P > 0.05). In contrast, small lesions were more clearly visible and had better image scores at 3.0 T than at 1.5 T (P < 0.001). Conclusion. Small cancers were more clearly visible on DWI at 3.0 T than 1.5 T.

引用

页码：15 / 20

页数：6

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