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<title>Chinese Journal of Magnetic Resonance Imaging RSS feed</title>
<link>http://med-sci.cn/cgzcx/en/contents_list.asp?issue=201908</link>
<language>zh-cn</language>
<copyright>An RSS feed for Chinese Journal of Magnetic Resonance Imaging</copyright>
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<title><![CDATA[Study of the relationship between the characteristics of basilar artery plaque with mild stenosis and clinical symptoms based on HR-MRI]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.001</link>
<description><![CDATA[Objective: HR-MRI magnetic resonance imaging was used to analyze the plaque distribution, plaque composition and relevant clinical characteristics between symptomatic patients and asymptomatic patients with mild stenosis of the basilar artery. Materials and Methods: Patients with mild basilar artery stenosis (＜50%) and plaques were confirmed to be included in the study after HR-MRI tube wall imaging on the basis of three-dimension time of flight magnetic resonance angiography (3D-TOF-MRA), diffusion weighted imaging (DWI) and fluid attenuated inversion recovery (FLAIR) scanning sequences. According to clinical manifestations, stroke duration and imaging manifestations, the patients were divided into the symptom group (ischemia symptoms or TIA related to posterior circulation occurred in the last 3 months, and corresponding lesions were observed on DWI or FLAIR images) and the non-symptom group (no history of posterior circulation cerebrovascular disease, no MRI positive scan), Plaque distribution, plaque composition[intraplaque hemorrhage (IPH), fibrous cap rupture (FCR)] and relevant clinical characteristics of the basilar artery between the two groups were analyzed. Results: In 108 patients with mild basilar artery stenosis accompanied by plaques (47 patients in the symptom group and 61 patients in the non-symptom group), 3244 images were studied, and it was found that 306 images contained plaques (plaques with the same slice of different sequences were defined as one), a total of 413 plaques (A plaque that continuously affects two or more slices is counted as one), 192 in the symptom group and 221 in the asymptomatic group. The proportion of side wall plaques in the symptomatic group (45.8%) was similar to that in the asymptomatic group (47.5%), and there was no statistical difference between the two groups (P=0.733). The proportion of dorsal plaques in the symptomatic group (33.9%) was larger than that in the asymptomatic group (19.0%), and the difference was statistically significant (P=0.001). The proportion of ventral plaques in the symptomatic group (20.3%) was smaller than that in the asymptomatic group (33.5%), and the difference was statistically significant (P=0.003). IPH (58.9%) and FCR (55.7%) of intraplaque hemorrhage in the symptomatic group were higher than those in the asymptomatic group (44.3% and 45.2%, respectively), with statistically significant differences (P=0.003, 0.034). There was no statistically significant difference in clinical factors [age, gender, hypertension, hyperlipidemia, diabetes, smoking, drinking, body mass index (BMI), family history of stroke] between the two groups (P＞0.05). Conclusions: HR-MRI can detect the distribution and components of the plaque in the basilar artery with mild stenosis. Compared with the asymptomatic group, the plaque in the symptomatic group is more common in the dorsal side, and the asymptomatic group is more common in the ventral side than the asymptomatic group. However, the proportion of the lateral wall plaque between the two groups is similar. The proportions of IPH and FCR in the symptomatic group were larger than those in the asymptomatic group, and the plaques in the asymptomatic group were relatively more stable.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[A study on the correlation between the location of non-stenotic basilar artery plaque and pontine infarction]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.002</link>
<description><![CDATA[Objective: To investigate the relationship between the distribution of non-stenotic basilar artery (BA) atherosclerotic plaques and different types and  locations of pontine infarctions (PIs) with high resolution magnetic resonance imaging (HR-MRI). Materials and Methods: Clinical and imaging data of 97 patients with new isolated PIs from October 2015 to June 2018 were retrospectively collected. According to morphological classification, PI can be divided into three groups: paramedian pontine infarction (PPI), deep pontine lacunar infarction (DPLI) and lateral pontine infarction (LPI). According to vertical location, PI was classified into rostral, middle, or caudal. BA plaque location was divided into ventral, dorsal, left lateral and right lateral sides of the vessel on T2WI axial images of HR-MR images.                                                                                                              Risk factors by different types and different locations of PIs were compared by χ2 test or one-way analysis of variance. Results: There were 66 cases (68.0%) of PPIs, 22 cases (22.7%) of DPLIs and 9 cases (9.3%) of LPIs. The rostral, middle, and caudal PIS were 7 cases (7.2%), 58 cases (59.8%), and 32 cases (30.0%), respectively. BA plaque distribution in different types and different locations of PIs were significantly different (P＜0.05). Most of DPLIs and rostral PIs had no BA plaque, and BA plaques were more frequent at dorsal wall in PPIs and caudal PIs. BA plaques were more frequent at lateral wall in LPIs and middle PIs. Conclusions: BA plaque at a specific location may affects PI type and location.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[MRI diagnosis and neurologic function evaluation of cervical spinal cord injury without fracture and dislocation]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.003</link>
<description><![CDATA[Objective: To investigate the value of MRI in the diagnosis of spinal cord injury and the evaluation of neurological function in patients with cervical spinal cord injury without fracture and dislocation. Materials and Methods: Retrospective analysis was performed on 39 patients (experimental group) and 39 healthy subjects (control group) without fracture and dislocation cervical spinal cord injury who were treated in Yantai Mountain Hospital from January 2013 to July 2018. The sagittal diameter and area of cervical spinal cord, dural sac and spinal canal in the C2-C7 segment of the control group and the experimental group were measured respectively, and the sagittal diameter ratio and area ratio among the three segments were calculated, and the differences in the parameters between the two groups were analyzed. The extent of cervical spinal cord injury in SCIWFAD patients was recorded and the extent of injury was measured. The extent of cervical spinal cord injury and the correlation between cervical spinal cord injury and ASIA grade were analyzed according to ASIA criteria. Results: The area of cervical spinal cord was better than the sagittal diameter in SCIWFAD patients. D cervical spinal cord/dural sac and D cervical spinal cord/spinal canal, S cervical spinal cord/dural sac and S cervical spinal cord/spinal canal can better reflect the spinal cord compression and spinal cord volume reserve when spinal canal volume changes in patients with SCIWFAD. The ASIA neurological functional grading was closely related to the extent of injury (r= -0.519, P=0.001), but had no definite correlation with the extent of injury (r=-0.013, P=0.892). Conclusions: MRI can accurately display the injury range and signal change of SCIWFAD, and both the dural sac and spinal canal sagittal diameter and area can accurately evaluate the spinal canal reserve space of the spinal cord. The extent of spinal cord injury can accurately reflect the severity of spinal cord functional injury.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Application of intestinal filling specifications of ESGAR and ESPR MR enterography recommendation in patients with low BMI]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.004</link>
<description><![CDATA[Objective: To investigate the feasibility and technical points of intestinal filling specifications of ESGAR (European Society of Gastrointestinal and Abdominal Radiology) and ESPR (European Society of Paediatric Radiology) recommendation of MR enterography in patients with low BMI. Materials and Methods: A retrospective study was performed between Nov. 2017 and Dec. 2018, the consecutive patients who are suspecting with small bowel disorders and without gastrointestinal surgery were included. The patients who did not follow the technical recommendations were exclude. Small bowel preparation was performed in accordance with the recommendation. The height, weight and body mass index (BMI) values of the patients were recorded and grouped (low BMI group, normal BMI group and high BMI group). The volume of the contrast agent was recorded (1200-1500 mL in the normal intake group and 1000-1200 mL in the low intake group). The diameters of the duodenum, jejunum (proximal and distal) and ileum (proximal and distal) were measured by two physicians and scored by 4 points. K-W test was used to compare the small bowel distension scores of different BMI groups. Further comparison of the low BMI group was performed. Results: For each BMI group, mean values were 16.8±1.2 kg/m2 (low BMI group), 21.3±1.6 kg/m2 (normal BMI group), and 27.2±5.4 kg/m2 (high BMI group). There was no significant difference in the distension scores (total score and segment score) between each BMI group (P＞0.05). There was no significant difference in the distension scores between the low-intake group and the normal intake group (P＞0.05) in low BMI patients. Conclusions: ESGAR and ESPR techniques are recommended for different BMI groups, and there is no statistical difference in small bowel distention scores. In the low BMI group, there was no statistically significant difference in small bowel distention scores while taking the reduction of oral contrast dose (1000-1200 mL).]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Diagnostic value of the combination of IVIM-DWI and DCE-MRI in pelvic lymphatic metastasis of rectal cancer]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.005</link>
<description><![CDATA[Objective: To investigate the value of intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in the identification of pelvic lymphatic metastasis in rectal cancer. Materials and Methods: 63 pelvic lymph nodes of 45 patients with rectal cancer were divided into metastasis group (35 pieces) and non-metastasis group (28 pieces) by pathology, and the parameters of IVIM (ADC, D, D* and f values) and DCE-MRI (Ktrans, Ve and Kep values) of the two groups were compared. Results: The mean D and D* value of metastatic lymph nodes were significantly lower than those of non-metastatic lymph nodes, and the mean f value of metastatic lymph nodes was significantly higher than that of non-metastatic lymph nodes (P＜0.05). The mean Ktrans and Ve value of metastatic lymph nodes were higer than those of non-metastatic lymph nodes (P＜0.05). The factors adopted in the Logistic regression equation of IVIM-DWI and DCE-MRI were D value and Ktrans value respectively. The AUC of D, Ktrans value and their combination to diagnose pelvic lymph node metastasis were 0.822, 0.789 and 0.923, respectively. The sensitivity in diagnosing pelvic lymph node metastasis of the three methods were 68.6%, 85.7% and 91.4%, and the specificity were 85.7%, 67.9% and 82.1%, respectively. Conclusions: D value of IVIM-DWI and Ktrans value of DCE-MRI have great value in diagnosing pelvic lymphatic metastasis in rectal cancer, and the combination of the two methods might improve the diagnostic efficiency.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[The study on the value of DKI quantitative parameters in the differential diagnosis of benign and malignant ovarian tumors and correlation with Ki-67]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.006</link>
<description><![CDATA[Objective: To evaluate the value of diffusion kurtosis imaging (DKI) and diffusion weighted imaging (DWI) parameters in differentiating benign and malignant ovarian tumors, and the correlation with Ki-67 expression. Materials and Methods: 48 consecutive patients with pathologically confirmed a total of 55 ovarian tumors, including 23 ovarian benign tumors (25 lesions) and 25 malignant tumors (30 lesions). Patients underwent pelvic MRI scan, DKI and DWI sequence scan before surgery to obtain the mean diffusivity (MD) value, the fractional anisotropy (FA) value, the mean kurtosis (MK) value and the apparent diffusion coefficient (ADC) value of the tumors. Ki-67 immunohistochemical staining was performed on the postoperative pathological specimens. The independent sample t test was used to compare the difference of MK value, MD value, FA value and ADC value between the two groups. The receiver operating characteristic (ROC) curve was used to evaluate the diagnostic efficacy of each parameter in the differential diagnosis of benign and malignant ovarian tumors. Spearman correlation analysis was applied to confirm the correlation between each parameter value and Ki-67. Results: The MK value was significantly higher in malignant tumor group (0.85±0.1) than in benign tumor group (0.62±0.11), t=-6.156, P＜0.001. Whereas the MD and ADC values were significantly lower in malignant tumors group than in benign tumor group [(1.54±0.34)×10-3 mm2/s vs (1.1±0.29)×10-3 mm2/s; (1.23±0.19)×10-3 mm2/s vs (1.0±0.15)×10-3 mm2/s], respectively, t=5.285, 4.962, P＜0.001). There was no significant difference in FA values between the benign and malignant groups (t= 0.808, P=0.422). Moreover, MK showed relatively higher AUC compared with MD and ADC in differentiating benign and malignant ovarian tumors with the area under the ROC curve (AUC) of 0.88, sensitivity of 0.81 and specificity of 0.84. MK value showed a positive association with Ki-67 (r=0.62, P＜0.001). While MD value and ADC value were negatively correlated with Ki-67 (r=-0.55, -0.50, P＜0.001). No significant correlation was found between FA value and Ki-67. Conclusions: DKI and DWI quantitative parameters allow a quantitative imaging technique to reflect the proliferative of ovarian tumors, which can be applied as the biological indicator in differentiating benign and malignant ovarian tumors.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Comparison between values of multiparametric magnetic resonance imaging and ultrasonic elastography in diagnosis of prostate cancer: A meta-analysis]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.007</link>
<description><![CDATA[Objective: To compare the diagnostic value of multi-parametric magnetic resonance imaging (mp-MRI) and ultrasound elastography in prostate cancer by Meta analysis. Materials and Methods: To retrieve Pubmed, EMBASE, OVID, CNKI, CBM, Wanfang and VPCS databases, search of multi-parameter MRI and ultrasound elastography in the diagnosis of prostate cancer in both Chinese and English texts, the retrieval time from January 2013 to September 2013, extract relevant clinical data, using Stata12.0 and Meta-DiSc1.4 software for data analysis. The pooled sensitivity (Senpool), specificity (Spepool), positive likelihood ratio (+LRpool), negative likelihood ratio (-LRpool) and diagnostic ratio (DORpool) were respectively calculated, the receiver operating characteristic curves (ROC) of the subjects was plotted and the area under the curve (AUC) was calculated, then the summary receiver operating characteristic (SROC) curve of the two groups was drawn to visually compare the differences in diagnostic efficacy between the two groups. Results: A total of 25 studies, including 4886 patients. Meta analysis results showed that mp-MRI diagnostic Senpool=0.84[95%CI (0.77,0.89)], Spepool=0.76[95%CI (0.67,0.83)], +LRpool=3.52[95%CI (2.49,4.96)], -LRpool=0.21[95%CI (0.14,0.32)], DORpool=16.77[95%CI (8.78,32.01)]; Ultrasound elastography diagnostic Senpool=0.84[95%CI (0.79,0.88)], Spepool=0.72[95%CI (0.63,0.79)], +LRpool=3.00[95%CI (2.26,3.87)], -LRpool=0.22[95%CI (0.17,0.30)], DORpool=13.22[95%CI (8.40,20.79)]. The area under the ROC curve (AUC) of mp-MRI and ultrasound elastography in the diagnosis of prostate cancer was 0.87[95%CI (0.84, 0.90)] and 0.86[95%CI (0.83, 0.89)]. Conclusions: Both mp-MRI and ultrasound elastography have high diagnostic efficiency in the diagnosis of prostate cancer and can be used as important examination methods to supplement each other.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[The simulation design of a multi-channel receive-only coil for a given macaque]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.008</link>
<description><![CDATA[Objective: In this study, a multi-channel receive-only coil with high filling coefficient and SNR (signal-to-noise ratio) was designed for a given macaque head model. Furthermore, the feasibility of the design was examined using simulation test. Materials and Methods: We use electromagnetic field and high-speed circuit simulation software to examine the tuning and the decoupling effect of the multi-channel coils and to optimize our design. Results: We calculated the decoupling effects of four-channel coil with LC-decoupling network and overlapping method, and further confirmed the final design and documented the electronic characters of the receive-only coil. Conclusions: This paper illustrated the feasibility to design a multi-channel receiver coil for a given macaque with simulation test. In addition, the parameters of our design could provide a protocol for other coil designs, which could reduce the research cost.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Differential diagnosis of diffusion magnetic resonance quantitative parameters in breast carcinoma in situ and invasive breast cancer]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.009</link>
<description><![CDATA[Objective: To investigate the differential diagnosis of breast carcinoma in situ and invasive breast cancer by using the ADC value and the histogram parameters from diffusion weighted imaging (DWI). Materials and Methods: A total of 137 patients with breast cancer, including 37 breast cancers in situ, 31 invasive breast cancers in grade Ⅰ, 40 cases of invasive breast cancer with grade Ⅱ and 29 cases of invasive breast cancer with grade Ⅲ were systematically collected in this study. DWI was used to obtain the ADC values of tumor location and histogram parameters by Siemens MR postprocessing workstation and MATLAB software respectively. Mann-Whitney test and ROC curve were used to evaluate the differential diagnosis between breast carcinoma in situ and invasive carcinoma, as well as different grades of invasive breast cancer. Results: There was significant difference in ADC between breast carcinoma in situ and invasive breast cancer (P＜0.029). The area under the curve (AUC) was 0.712, the sensitivity was 0.647, and the specificity was 0.842, ADC was not significantly different in different grades of invasive breast cancer. The maximum intensity of histogram parameters was significantly different in primary breast cancer and invasive breast cancer, and the maximum intensity was found in primary breast cancer VS invasive breast cancer (P=0.037, AUC=0.699, sensitivity 0.671, specificity 0.868), Ⅰ grade of invasive breast cancer VS the Ⅱ grade of invasive breast cancer (P=0.024, AUC=0.703, sensitivity 0.725, specificity 0.684), Ⅱ grade of invasive breast cancer and Ⅲ grade of invasive breast cancer (P＜0.01, AUC=0.777, sensitivity 0.700, specificity 0.862). Conclusions: There is statistical difference in ADC between breast carcinoma in situ and invasive breast cancer. The histogram parameters (maximum intensity value) of diffusion magnetic resonance imaging are found with statistical differences in breast carcinoma in situ and invasive breast cancer as well as different grades of invasive breast cancer.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Progress in magnetic resonance imaging for predicting molecular phenotype of glioma]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.011</link>
<description><![CDATA[Gliomas are the most common primary tumors in the brain. As infiltrating tumors, they are characterized by high recurrence and disability rate and high mortality. Molecular markers can help clinical diagnosis of gliomas, formulate personalized treatment plans and predict the prognosis of tumors. Magnetic resonance imaging is the preferred method for preoperative diagnosis and prognosis evaluation of central nervous system tumors. Functional magnetic resonance imaging is helpful to reflect the microbiological changes of tumors noninvasively from cell level, molecular level and gene mutation status. The application of functional magnetic resonance imaging in molecular phenotype of glioma is reviewed in this paper.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Review of the application of CMR in post-operative follow-up of tetralogy of  fallot]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.012</link>
<description><![CDATA[With the progress of surgery, the survival rate of tetralogy of Fallot patients has been significantly improved, but there are still many complications. In order to improve the quality of life of patients, long-term follow-up and further intervention is necessary. MRI can not only accurately diagnose the residual anatomical deformities, but also provide quantitative evaluation of cardiac function and hemodynamic information. It is an ideal imaging method for the follow-up of patients with tetralogy of Fallot. A large number of studies on postoperative imaging evaluation of tetralogy of Fallot have been carried out at home and abroad. This article reviews the progress of MRI in the follow-up of patients with tetralogy of  Fallot.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Research progress of functional magnetic resonance imaging techniques for evaluating the response to neoadjuvant chemotherapy in breast cancer]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.013</link>
<description><![CDATA[Neoadjuvant chemotherapy (NAC) has been widely used as a standard preoperative treatment for locally advanced breast cancer, which can significantly reduce clinical staging and improve tumor prognosis. Functional magnetic resonance imaging (fMRI) can detect functional and metabolic changes of breast cancer before morphological changes after neoadjuvant  chemotherapy, accurately predict pathological response, and help clinical effectively formulate and adjust further treatment programs. Techniques of functional MRI used commonly in clinic includ dynamic contrast enhanced MRI (DCE-MRI), diffusion weighted imaging (DWI), intravoxel incoherent motion (IVIM) and diffusion tensor imaging (DTI), magnetic resonance spectroscopy (MRS), etc. In this review, these common techniques used to evaluate the effect of neoadjuvant chemotherapy on breast cancer are summarized in terms of application and research progress.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Quantitative assessment of MRI for treatment response to neoadjuvant chemoradiotherapy in locally advanced rectal cancer: A review]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.014</link>
<description><![CDATA[Neoadjuvant chemoradiotherapy (NCRT) followed by surgery has become the standard of care for patients with locally advanced rectal cancer. Accurate evaluation of response to nCRT is helpful for guiding personalized treatment. Nowadays, magnetic resonance imaging (MRI) is one of the main tools used to response evaluation. Quantitative response evaluation based on normal MRI, functional MRI and radiomics can provide information beyond morphology, it is expected to improve the accuracy. In the review, we discuss the strengths and weakness of quantify MRI, including normal MRI, functional MRI and radiomics, for response evaluation after nCRT.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Applications of amide proton transfer weighted imaging in tumor]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.015</link>
<description><![CDATA[Amide proton transfer weighted (APTw) imaging is an emerging molecular magnetic resonance imaging technique based on chemical exchange saturation transfer (CEST). APTw imaging has shown promise in oncologic imaging, especially in the imaging of brain tumors. This review article illustrates the theory of APTw imaging and describes the clinical utility and potential for future development of APTw imaging.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Progress indiffusion-weighted imaging of skeletal muscle]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.016</link>
<description><![CDATA[The emergence of functional magnetic resonance (fMRI) technology is derived from the study of the central nervous system. Diffusion weighted imaging (DWI) is an important component of fMRI and can reflect early alterations on a cellular level. It may provide noninvasive and effective information for early diagnosis and treatment of diseases before gross anatomical changes. It has been widely used in the diagnosis and identification of central nervous system diseases, and is increasingly applied to study the changes of skeletal muscle system. In recent years, diffusion tensor imaging (DTI) and intravoxel incoherent motion (IVIM) are new magnetic resonance imaging technologies that have been rapidly developed on the basis of DWI. The purpose of this review is to provide an overview of the status progress of DTI and IVIM technology in skeletal muscle.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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<title><![CDATA[Static and dynamic functional connectivity analysis based on resting state functional magnetic resonance imaging and its progress]]></title>
<link>http://med-sci.cn/cgzcx/en/en_articlexml.asp?doi=10.12015/issn.1674-8034.2019.08.017</link>
<description><![CDATA[In clinical medical research, based on resting-state functional magnetic resonance imaging, functional connectivity analysis method can be used to study the neurological mechanism of diseases, including static functional connectivity and dynamic functional connectivity. Static functional connectivity mainly includes model-driven analysis for assessing connectivity among regions or seeds, data-driven analysis for estimating spatial functional network maps and functional network connectivity analysis. Dynamic functional connectivity includes sliding time-window and windowless method. Dynamic functional connectivity analysis can respond to time-varying functional connectivity changes. The analysis of functional connectivity is critical, because the analysis method will greatly affect the accuracy of identification and individual classification of neurological disease biomarkers.]]></description>
<pubDate>Tue,20 Aug 2019 00:00:00  GMT</pubDate>
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