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Wang J, Sugiyama A, Yokota H, Hirano S, Yamamoto T, Yamanaka Y, Araki N, Ito S, Paul F, Kuwabara S. Differentiation between Parkinson's Disease and the Parkinsonian Subtype of Multiple System Atrophy Using the Magnetic Resonance T1w/T2w Ratio in the Middle Cerebellar Peduncle. Diagnostics (Basel) 2024; 14:201. [PMID: 38248077 PMCID: PMC10814850 DOI: 10.3390/diagnostics14020201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/30/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024] Open
Abstract
Multiple system atrophy with predominant parkinsonism (MSA-P) can hardly be distinguished from Parkinson's disease (PD) clinically in the early stages. This study investigated whether a standardized T1-weighted/T2-weighted ratio (sT1w/T2w ratio) can effectively detect degenerative changes in the middle cerebellar peduncle (MCP) associated with MSA-P and PD and evaluated its potential to distinguish between these two diseases. We included 35 patients with MSA-P, 32 patients with PD, and 17 controls. T1w and T2w scans were acquired using a 1.5-T MR system. The MCP sT1w/T2w ratio was analyzed via SPM12 using a region-of-interest approach in a normalized space. The diagnostic performance of the MCP sT1w/T2w ratio was compared between the MSA-P, PD, and controls. Patients with MSA-P had significantly lower MCP sT1w/T2w ratios than patients with PD and controls. Furthermore, MCP sT1w/T2w ratios were lower in patients with PD than in the controls. The MCP sT1w/T2w ratio showed excellent or good accuracy for differentiating MSA-P or PD from the control (area under the curve (AUC) = 0.919 and 0.814, respectively) and substantial power for differentiating MSA-P from PD (AUC = 0.724). Therefore, the MCP sT1w/T2w ratio is sensitive in detecting degenerative changes in the MCP associated with MSA-P and PD and is useful in distinguishing MSA-P from PD.
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Affiliation(s)
- Jiaqi Wang
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
| | - Atsuhiko Sugiyama
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
| | - Hajime Yokota
- Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Shigeki Hirano
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
| | - Tatsuya Yamamoto
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
- Department of Rehabilitation, Division of Occupational Therapy, Chiba Prefectural University of Health Sciences, Chiba 261-0014, Japan
| | - Yoshitaka Yamanaka
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
- Urayasu Rehabilitation Education Center, Chiba University Hospital, Urayasu 279-0023, Japan
| | - Nobuyuki Araki
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
| | - Shoichi Ito
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
- Department of Medical Education, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Friedemann Paul
- Experimental and Clinical Research Center, Max Delbrueck Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
- NeuroCure Clinical Research Center, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
- Einstein Center for Neurosciences, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
- Department of Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Satoshi Kuwabara
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; (J.W.); (T.Y.); (S.I.); (S.K.)
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