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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한자기공명의과학회 Investigative Magnetic Resonance Imaging Investigative Magnetic Resonance Imaging 제25권 제3호
- 발행연도
- 2021.9
- 수록면
- 156 - 163 (8page)
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초록· 키워드
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Recently, neuromelanin and nigrosome imaging techniques have been developed to evaluate the substantia nigra in Parkinson’s disease. Previous studies have shown potential benefits of quantitative analysis of neuromelanin and nigrosome images in the substantia nigra, although visual assessments have been performed to evaluate structures in most studies. In this study, we investigate the potential of using deep learning based automatic region segmentation techniques for quantitative analysis of the substantia nigra. The deep convolutional neural network was trained to automatically segment substantia nigra regions on 3D nigrosome and neuromelanin sensitive MR images obtained from 30 subjects. With a 5-fold cross-validation, the mean calculated dice similarity coefficient between manual and deep learning was 0.70 ± 0.11. Although calculated dice similarity coefficients were relatively low due to empirically drawn margins, selected slices were overlapped for more than two slices of all subjects. Our results demonstrate that deep convolutional neural network-based method could provide reliable localization of substantia nigra regions on neuromelanin and nigrosome sensitive MR images.
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참고문헌 (13)
참고문헌 신청
Louis ED / 2010 / Alzheimer's disease, Parkinson's disease and essential tremor : three common degenerative diseases with shared mechanisms / Eur J Neurol 17:765~766
Ungerstedt U / 1968 / 6-Hydroxy-dopamine induced degeneration of central monoamine neurons / Eur J Pharmacol 5:107~110
Reimao S / 2015 / Substantia nigra neuromelanin magnetic resonance imaging in de novo Parkinson's disease patients / Eur J Neurol 22:540~546
조장희 / 2016 / Review of Recent Advancement of Ultra High Field Magnetic Resonance Imaging: from Anatomy to Tractography / Investigative Magnetic Resonance Imaging 20(3):141~151
French ED / 1997 / Cannabinoids excite dopamine neurons in the ventral tegmentum and substantia nigra / Neuroreport 8:649~652
Ungerstedt U / 1968 / 6-Hydroxy-dopamine induced degeneration of central monoamine neurons / Eur J Pharmacol 5:107~110
Reimao S / 2015 / Substantia nigra neuromelanin magnetic resonance imaging in de novo Parkinson's disease patients / Eur J Neurol 22:540~546
조장희 / 2016 / Review of Recent Advancement of Ultra High Field Magnetic Resonance Imaging: from Anatomy to Tractography / Investigative Magnetic Resonance Imaging 20(3):141~151
French ED / 1997 / Cannabinoids excite dopamine neurons in the ventral tegmentum and substantia nigra / Neuroreport 8:649~652
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