Bartter′s syndrome(BS) is a rare renal tubular diseases and an autosomal recessive hereditary disease. The characteristic findings are hypokalemia, metabolic alkalosis, and raised serum renin and aldosterone levels. Combination of metabolic syndrome with Bartter′s syndrome has not been reported so far. Here in, we report a case in order to call attention to the diagnosis and treatment of typical Bartter′s syndrome combined with metabolic syndrome.

Objective To evaluate the valuations of the intracranial vertebrobasilar arteries using CT angiography (CTA) in order to improve the understanding of various variants in intracranial vertebrobasilar arteries.Methods The CTA images of 435 subjects were analyzed retrospectively.The data were collected by a 16-slice CT scanner.All the CTA images were processed technically by the maximum intensity projection and volume rendering.The intracranial vertebrobasilar arteries were measured and analyzed.Results Among the 435 subjects,bilateral intracranial vertebral arteries (V4) showed symmetry in 183 (42.07％) and dissymmetry in 252 (57.93％).Hypoplasia were found in 27 subjects (6.21％) on the left V4 segments and 36 (8.28％) on the right V4 segments,and a total of 21 (4.83％) were directly continued as the ipsilateral posterior inferior cerebellar arteries on the unilateral V4 segments.There were 2 subjects (0.46％) with vertebrobasilar dolichoectasia.There were 32 subjects (7.36％) had fenestration variation,3 of them (0.69％) were on the V4 segments,10 (2.30％) at the junctions,and 19 (4.37％) in the basilar arteries.Two subjects (0.46％) had persistent trigeminal arteries.Conclusions The variations of intracranial vertebrobasilar arteries mainly include angiodysplasia,vertebrobasilar dolichoectasia,fenestration variation,and persistent trigeminal artery.As a noninvasive vascular imaging method,CTA may accurately and visually assess the anatomic variation of intracranial vertebrobasilar artery,and provide imaging guidance for the preoperative evaluation of posterior fossa surgery.

Objective To evaluate the effect of intravenous administration of gadolinium-DTPA on diffusion weighted imaging (DWI)of breast lesions and apparent diffusion coefficient(ADC)values,and to evaluate the diagnostic performance of post-contrast ADC for differentiating benign from malignant lesions in breast.Methods Thirty-eight histopathologically-confirmed breast lesions were analyzed.We examined the signal to noise ratio(SNR)of normal breast tissue and lesions and evaluated the contrast to noise ratio(CNR)of each lesion.We also assessed the relation between pre-and post-contrast ADC values.Results SNRs and CNRs of DWI before and after contrast were not significantly different.The mean post-contrast ADC values for malignant lesions significantly decreased after contrast injected (mean of -1 1.6%),while ADC values in the benign lesions were not significantly different before and after contrast.Conclusion Post-contrast ADC values may be a better indicator of potential breast tumors than pre-contrast ADC values.

Objective To assess the application value of NCE-MRA using iMSDE prepared bSSFP sequence in lower limb in patients with diabetes. Methods This prospective study included a total of 35 patients with type II diabetes who underwent CE-MRA on the 1.5T MR scanner after the NCE-MRA. The obtained MIP images were independently rated by two radiologist with a four score table and using CE-MRA as a reference standard to evaluate the diagnostic accuracy of NCE-MRA for the narrowed arteries. The difference of the percent age of diagnostic arterial segments between NCE-MRA and CE-MRA on diabetic patients was evaluated by the χ2 test. Results Compared with CE-MRA, the diagnostic-value arterial segment ratio of pelvic arteries on NCE-MRA is decreased significantly. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of two readers in NCE-MRA were 95%/87%, 96%/95%, 57%/72%, 99%/99%, and 96%/95%(k=0.76), respectively. Conclusions The NCE-MRA using iMSDE prepared bSSFP sequence is capable of depicting vascu-lar lesions for the lower extremities in diabetic patients with the advantages of contrast agent free, short scan times and good diagnostic value in the thigh and calves.

[Objective] Based on the resting state functional magnetic resonance imaging to investigate the abnormal features of the functional connectivity of resting brain neural network in the patients with primary insomnia,by using voxel-wise whole-brain finctional networks analysis of degree centrality (DC) for imaging evidence of neural mechanisms underlying primary insomnia.[Methods] The resting state fMRI were performed in 59 PI patients and 47 age,education,and sex-matched normal healthy subjects.Analysis of DC map changes between the two patient groups and the control group were performed by two sample t test.(threshold at P ＜ 0.05).[Results] Compared with the control group,the patients with PI showed significantly reduced DC value in bilateral medial frontal gyrus (MFG),bilateral anterior cingulate gyrus (ACG),and right insula;and increased DC value in right middle temporal gyrus (MTG),and left cuneus,(CUN),P ＜ 0.05.[Conclusion]Changes of DC value occurred in some region of brain in the P[patient groups when compared with the control group.It was indicated that DC,as a novel resting-state fMRI parameter in the voxel-wise whole-brain functional networks,might be an appealing alternative approach for further study on pathologic and neuropsychological states of PI.

Objective The aim of this study is to understand the impairment and compensation mechanism of brain function in untreated primary insomnia (PI) patients.The approach of fractional amplitude of low frequency fluctuation (fALFF) is used to analyze raw data between the PI patients and the normal control group in resting state using functional magnetic resonance imaging (fMRI).Methods Fifty-nine PI patients,admitted to our hospital from November 2015 to November 2016,and 47 age-,education-,and gender-matched normal healthy subjects were chosen in our study.Pittsburg sleep quality index (PSQI),insomnia severity index (ISI) were employed to evaluate the sleep quality.Self-rating anxiety scale (SAS) and self-rating depression scale (SDS) were employed to evaluate the emotion.Resting state fMRI and fALFF analyses were used to compare the functional regional activities.The correlations of fALFF data with PSQI,SAS and SDS scores were analyzed.Results In PI patients,2 had mild to moderate insomnia,41 had moderate insomnia,and 16 had serious insomnia.ISI scores in the normal healthy subjects were less than 7.The PSQI,SAS,SDS and ISI scores in the PI patients were significantly higher than those in the normal healthy subjects (P＜0.05).As compared with the control group,the PI group had significantly increased fALFF value in the right hippocampus (HIP),right parahippocampa gyms,right amygdala,and bilateral thalamus.The fALFF value was positively correlated PSQI,SASandSDSscores (r=0.582,P=0.000;r=0.617,P=0.000;r=0.653,P=0.000).Conclusion Some brain regions in the PI patients are abnormal in the resting state,which can reflex functional regional activities of PI patients.

OBJECTIVE：To study the composition and contents of flavonoids chemical components in waste material during industrialization of Pueraria thomsonii resources，and to provide reference for comprehensive development and reasonable utilization of the variety. METHODS ：Using“No. 2 Gange”of P. thomsonii from Jiangxi as objects ，UPLC-Q-TOF-MS and HPLC method were adopted to detect the components and contents of flavonoids in the root （with or without cortex ），cortex，flower， fibrous root ，stem，head and dregs （with or without cortex ）of P. thomsonii as well as dry matter of industrial wastewater （with or without cortex ）after precipitation of pueraria powder. RESULTS ：The linearity ，precision，repeatability，stability and recovery of the established method for content determination of 7 flavonoids（puerarin，daidzin，iridoxine-7-O-xylose glucoside ，genistin， iridin，daidzein and kakkalide ）were all in line with the requirements. Totally 12 kinds of flavonoids were identified ，among which the flavonoids in the root ，cortex，stem，fibrous root ，head and dregs of P. thomsonii as well as dry matter of industrial wastewater were the same ，mainly were puerarin ，daidzin，genistein，daidzein and malonyl-daidzein. The flower of P. thomsonii mainly included iridoxine- 7-O-xylose glucoside ，genistin，iridin，kakkalide，6″-O-xylosyldaidzein，but the components as puerarin ， daidzin and its aglycone were not be detected. The content of puerarin in the head of P. thomsonii was the highest （5.765％）. The contents of puerarin in root and dregs of P. thomsonii as well as dry matter of industrial waste-water in samples with cortex were all higher than in corresponding peeled sample. CONCLUSIONS ：The waste material from the industrialization of P. thomsonii resources contains a lot of flavonoids with rich species and high content ，and can be used as an important raw material for obtaining flavonoids such as puerarin.