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231225s2017 xx |||||o 00| ||chi c |
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|a 10.3760/cma.j.issn.0578-1310.2017.09.011
|2 doi
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|e rakwb
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|a chi
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|a Zhou, J
|e verfasserin
|4 aut
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|a Phenotypic and genotypic features of twenty children with classic pantothenate kinase-associated neurodegeneration
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.04.2019
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|a Date Revised 01.04.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Objective: To explore the phenotypic and genotypic characteristics in Chinese children with classic pantothenate kinase-associated neurodegeneration (PKAN). Method: The clinical, radiographic and genetic data of all PKAN patients diagnosed at pediatric department of Peking University First Hospital from November 2006 to December 2016 were retrospectively collected and analyzed. Result: Twenty patients with classic PKAN were included in the study. The median age at onset was 3.5 years (ranging from 1.0 to 10.0 years), and the most common initial symptom was gait disturbance (16 cases). At the last evaluation, the clinical features were limbs dystonia (20 cases), dysarthria (16 cases), dysphagia (11 cases), pyramidal sign (7 cases), mental regression (3 cases) and pigmentary retinopathy (5 cases). For those classic PKAN patients, the median time from onset of disease to loss of independent ambulation was 6.9 years (ranging from 2.0 to 12.0 years). Imaging data showed, except "eye of tiger" in MRI (19 cases), globus pallidus calcification in CT was also found in four patients. In gene testing, 26 different mutations in PANK2 gene were identified, and 16 of 26 were novel mutations. Moreover, c. 1502T>C (p.Ile501Asn) was the most common mutation (4 cases). Conclusion: Dystonia is the major neurologic feature of classic PKAN. Disease progression is rapid, with loss of independent ambulation within 10 years after onset. Except "eye of tiger" in MRI, globus pallidus calcification in CT may be another imaging feature of PKAN.Sixteen novel mutations of PANK2 gene were identified in the study
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|a Journal Article
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|a Genes, PANK2
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|a Genotype
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|a Pantothenate kinase-associated neurodegeneration
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|a He, J
|e verfasserin
|4 aut
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|a Kou, L P
|e verfasserin
|4 aut
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|a Feng, H C
|e verfasserin
|4 aut
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|a Deng, Y H
|e verfasserin
|4 aut
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|a Zhang, Z B
|e verfasserin
|4 aut
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|a Zhou, L
|e verfasserin
|4 aut
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|a Wang, J M
|e verfasserin
|4 aut
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|a Jiang, Y W
|e verfasserin
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|a Wu, Y
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Zhonghua er ke za zhi = Chinese journal of pediatrics
|d 1960
|g 55(2017), 9 vom: 02. Sept., Seite 678-682
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|x 0578-1310
|7 nnns
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|g volume:55
|g year:2017
|g number:9
|g day:02
|g month:09
|g pages:678-682
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