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Abstract #1642

A flowerpot-shaped birdcage coil designed for breast MRI at 0.35T

Xueyan Song1, Qingyun Liu2, Zesong Jiang1, Chen Lin3, and Bensheng Qiu2
1Institute of Advanced Technology, University of Science and Technology of China, Hefei, Anhui, China, 2Medical Imaging Center, University of Science and Technology of China, Hefei, Anhui, China, 3Anhui Fuqing Medical Equipment Co., Ltd., Hefei, Anhui, China

Synopsis

Keywords: Breast, Breast, birdcage coil; vertical field; Low-field; Metamaterial.

Motivation: Low-field MRI breast screening is important for the well-being of women. However, the vertical orientation of the B0 field restricts the coil design.

Goal(s): To design a breast coil for low-field MR system that improves the signal-to-noise ratio(SNR) and receiving sensitivity(RS) while conforming to the anatomical features of breast.

Approach: We designed an improved birdcage structure for breast imaging. It adapts to the breast shape and enhances SNR. Additionally, we used metamaterial to further improve image quality.

Results: The average SNR of flowerpot coil is 162, which is approximately 1.45 times higher than the commercial coil. The Q-ratio, approximately 1.30, indicates good RS.

Impact: We proposed a novel flowerpot-shaped birdcage coil for breast MRI using metamaterials in a 0.35T system, resulting in an improved signal-to-noise ratio (SNR) and receiving sensitivity(RS).

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