Abstract #4145

High-Resolution Vessel Wall Imaging: Association of Plaque with Morphological Changes of Lenticulostriate Arteries in SSIs

Hui Wang¹, Xianchang Zhang², Quanzhi Feng¹, Yutian Li¹, Jinli Li¹, Yujun Wang³, Guangzhao Yang³, Qingle Kong², Zihao Zhang⁴, and Tong Han¹

¹Radiology, Tianjin Huanhu Hospital, Tianjin, China, ²MR Collaboration, Siemens Healthcare Lid., Beijing, China, ³Radiology, Tongde Hospital of Zhejiang Province, Hangzhou, China, ⁴State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China

This study evaluated the association between plaque existence and lenticulostriate artery (LSA) morphology using high-resolution vessel wall imaging (HR-VWI) in patients with lenticulostriate infarction and non-stenotic middle cerebral artery (MCA). Patients were divided into plaque and non-plaque groups based on the plaque presence in the MCA-M1 segment of the infarcted hemisphere. Atheromatous plaque was found in 52.8% of patients, and the laterality index of the LSA and total length were higher in the plaque group. These findings suggest that HR-VWI may help distinguish branch from non-branch atheromatous small vessel disease.

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