3022

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Substantia nigra magnetic resonance spectrum in differentiating tremor-dominant Parkinson’s disease from essential tremors

Rushi Chen¹, Yan Bai¹, Qin Feng¹, Menghuan Zhang¹, Xianchang Zhang², and Meiyun Wang¹
¹Henan provincial people's hospital, Zhengzhou, China, ²MR Collaboration, Siemens Healthcare Ltd, Beijing, China, Beijing, China

The NAA/Cr ratio derived from MRS in the contralateral SN was significantly higher in tremor-dominant PD than in ET.

Figure 1. NAA/Cr was significantly decreased in the contralateral SN of a patient with tremor-dominant Parkinson’s disease (PD) (A) compared with that of a patient with essential tremors (ET).