Ultra-high-field 5 T MRI for parotid gland assessment in Sjögren's syndrome: Improved image quality and reliable fat fraction quantification.

Mengqi Xu¹, Xiaoyan Bai¹, Mingxin Bai², Enhui Li³, Dan Yu³, Xinyi Yan¹, Mingzhu Zhou⁴, Peng-Gang Qiao⁵

¹Department of Radiology, Beijing Friendship Hospital, Capital Medical University, China.

²MR Research Collaboration, Shanghai United Imaging Healthcare Co., Ltd, China.

³Department of Rheumatology, Beijing Friendship Hospital, Capital Medical University, China.

⁴MR Research Collaboration, Shanghai United Imaging Healthcare Co., Ltd, China. Electronic address: peal48@163.com.

⁵Department of Radiology, Beijing Friendship Hospital, Capital Medical University, China. Electronic address: qiaopenggang1226@163.com.

PubMed DOI

Abstract

BACKGROUND: Ultra-high-field 5 T MRI systems offers potential advantages in signal-to-noise ratio(SNR) for visualizing fine anatomical structures. This prospective study aimed to assess the feasibility of parotid gland imaging in patients with Sjögren's syndrome (SS) at 5 T MRI and to compare image quality and fat fraction (FF) with between 5 T and 3 T MRI. METHODS: Thirty-one patients with SS un…

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