Document Detail

Role of Diffusion Weighted Magnetic Resonance Imaging and Spectroscopy in the Diagnosis and Follow-up of Hepatolenticular Degeneration.
MedLine Citation:
PMID:  23134827     Owner:  NLM     Status:  In-Data-Review    
Objective To explore the changes of different brain metabolites during hepatolenticular degeneration using diffusion weighted magnetic resonance imaging (DWI) and magnetic resonance spectroscopy (MRS) in patients with hepatolenticular degeneration and study the correlation of apparent diffusion coefficient(ADC) values and MRS with the different pathological changes. Methods Totally 53 patients with hepatolenticular degeneration were enrolled in this study and divided into DWI high-signal group (n=31) and DWI low-signal group (n=22). Magnetic resonance scan, DWI, and spectroscopy were performed before treatment and 4 months after treatment. The changes of ADC value, N-acetyl aspartate (NAA)/creatine (Cr) ratio, and choline (Cho)/Cr ratio were recorded. Results Before treatment, the NAA/Cr ratio was significantly higher in the DWI high-signal group than in DWI low-signal group (P=0.002), whereas ADC value and NAA/Cr ratio were significantly lower (P=0.004, P=0.014, respectively). After treatment, the NAA/Cr ratio was still significantly higher in the DWI high-signal group (P=0.036), while the differences of ADC value and Cho/Cr ratio showed no statistical deference (P>0.05). In the DWI high-signal group, the ADC value and NAA/Cr ratio were significantly elevated after treatment (P=0.006, P=0.008), whereas the Cho/Cr ratio showed no significant change (P>0.05). In the DWI low signal group, NAA/Cr ratio was significantly increased after treatment (P=0.015), while the ADC value and Cho/Cr ratio showed no significant change (P>0.05). Conclusions DWI combined MRS imaging can be used to evaluate the microscopic structure and metabolic changes during copper deposition and thus, compared with the conventional magnetic resonance imaging provide more information on metabolism. Therefore, they can be useful tools in the early diagnosis and efficacy evaluation of hepatolenticular degeneration.
Xue Peng; Liu Yong; Ma Xiu-Hua; Chen Yong; Zhang Si-Jia
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae     Volume:  34     ISSN:  1000-503X     ISO Abbreviation:  Zhongguo Yi Xue Ke Xue Yuan Xue Bao     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-11-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006230     Medline TA:  Zhongguo Yi Xue Ke Xue Yuan Xue Bao     Country:  China    
Other Details:
Languages:  eng     Pagination:  497-502     Citation Subset:  IM    
Department of Radiology, Zhengzhou People's Hospital, Zhengzhou 450003, China.
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