Publications by authors named "Zong-Hui Liang"

8 Publications

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Brain functional changes in patients with Crohn's disease: A resting-state fMRI study.

Brain Behav 2021 Jun 14. Epub 2021 Jun 14.

Department of Radiology, Jing'an District Centre Hospital of Shanghai, Fudan University, Shanghai, China.

Background: Crohn's disease (CD) is a chronic recurrent intestinal inflammatory disease, often accompanied by poor adaptation and excessive stress response. However, the potential neurological mechanisms of these symptoms have not yet been studied in-depth.

Objective: To investigate alterations in brain activity in patients with Crohn's disease and study the relationship between altered regions and clinical indices.

Methods: A total of 15 CD patients and 26 matched healthy controls were recruited. All participants underwent fMRI scans. The amplitude of low-frequency fluctuations (ALFF) and regional homogeneity (ReHo) assessed differences in spontaneous regional brain activity. Differences between the groups were selected as seeds for functional connectivity (FC) analyses. Correlations between disease duration and ALFF/ReHo/FC values in abnormal regions were analyzed.

Results: Patients with CD had significantly higher ALFF values in the left superior frontal gyrus, anterior cingulate cortex, and supplementary motor area, and lower values in the left hippocampus. They also had higher ReHo values in the left anterior cingulate cortex, supplementary motor area, putamen, and the bilateral superior frontal gyri. FC strength in the left precentral and middle temporal gyri was found to be increased when the left superior frontal gyrus was used as the seed point. FC strength was also observed to be increased in the left postcentral, middle frontal gyri, inferior frontal orbital cortex, and right rolandic operculum when the left anterior cingulate cortex was used as the seed point.

Conclusion: CD demonstrated abnormal neural activity and FC in various regions primarily associated with emotional, pain and cognitive-related functions, which provides more information to further understand the neural mechanisms of the disease.
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http://dx.doi.org/10.1002/brb3.2243DOI Listing
June 2021

Integrating Multi-Omics Data to Identify Novel Disease Genes and Single-Neucleotide Polymorphisms.

Front Genet 2019 24;10:1336. Epub 2020 Jan 24.

Department of Information Engineering, Heilongjiang Biological Science and Technology Career Academy, Harbin, China.

Stroke ranks the second leading cause of death among people over the age of 60 in the world. Stroke is widely regarded as a complex disease that is affected by genetic and environmental factors. Evidence from twin and family studies suggests that genetic factors may play an important role in its pathogenesis. Therefore, research on the genetic association of susceptibility genes can help understand the mechanism of stroke. Genome-wide association study (GWAS) has found a large number of stroke-related loci, but their mechanism is unknown. In order to explore the function of single-nucleotide polymorphisms (SNPs) at the molecular level, in this paper, we integrated 8 GWAS datasets with brain expression quantitative trait loci (eQTL) dataset to identify SNPs and genes which are related to four types of stroke (ischemic stroke, large artery stroke, cardioembolic stroke, small vessel stroke). Thirty-eight SNPs which can affect 14 genes expression are found to be associated with stroke. Among these 14 genes, 10 genes expression are associated with ischemic stroke, one gene for large artery stroke, six genes for cardioembolic stroke and eight genes for small vessel stroke. To explore the effects of environmental factors on stroke, we identified methylation susceptibility loci associated with stroke using methylation quantitative trait loci (MQTL). Thirty-one of these 38 SNPs are at greater risk of methylation and can significantly change gene expression level. Overall, the genetic pathogenesis of stroke is explored from locus to gene, gene to gene expression and gene expression to phenotype.
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http://dx.doi.org/10.3389/fgene.2019.01336DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6993083PMC
January 2020

Evaluation of Intravoxel Incoherent Motion Diffusion-Weighted Magnetic Resonance Imaging for Detection of Bowel Inflammation in Patients With Crohn Disease.

J Comput Assist Tomogr 2019 Sep/Oct;43(5):755-761

Department of Radiology, Jian'an District Centre Hospital (Fudan University, Huashan Hospital Jing'an Branch).

Objectives: This study aimed to evaluate the feasibility of intravoxel incoherent motion diffusion-weighted magnetic resonance imaging (DW-MRI) in detecting bowel inflammation in patients with Crohn disease (CD).

Methods: Sixteen patients who underwent intravoxel incoherent motion DW-MRI for CD and colonoscopy were recruited. Seventy-nine bowel segments were selected, and their mean D, D*, f, and apparent diffusion coefficient (ADC) values were measured. The receiver operating characteristic curve was performed to distinguish inflamed from normal bowel.

Results: The mean D, D*, f, and ADC values of inflamed bowel were significantly lower than those of normal bowel (P < 0.05). The area under the receiver operating characteristic curve for f (0.906) and ADC values (0.924) was greater than that for D (0.709) or D* values (0.686) for differentiating inflamed bowel from normal bowel (P < 0.05).

Conclusions: Intravoxel incoherent motion DW-MRI is a feasible technique for detecting inflammation in CD patients. The ADC and f values have more potential than the D and D* values.
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http://dx.doi.org/10.1097/RCT.0000000000000926DOI Listing
October 2019

Cerebellopontine angle neoplasms in four cases: intra-axial or extra-axial?

Chin Med J (Engl) 2019 Aug;132(15):1870-1871

Department of Radiology, Jing'an District Center Hospital, Fudan University, Shanghai 200032, China.

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http://dx.doi.org/10.1097/CM9.0000000000000338DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6759133PMC
August 2019

Application of CUBE-STIR MRI and high-frequency ultrasound in contralateral cervical 7 nerve transfer surgery.

Br J Neurosurg 2019 Mar 12:1-6. Epub 2019 Mar 12.

a Department of Hand Surgery, Huashan Hospital, Shanghai Medical College , Fudan University , Shanghai , China.

Objective: The objective of the study was to investigate the feasibility of CUBE-SITR MRI and high-frequency ultrasound for the structural imaging of the brachial plexus to exclude neoplastic brachial plexopathy or structural variation and measure the lengths of anterior and posterior divisions of the C7 nerve, providing guidelines for surgeons before contralateral cervical 7 nerve transfer.

Methods: A total of 30 patients with CNS and 20 with brachial plexus injury were enrolled in this retrospective study. All patients underwent brachial plexus CUBE-STIR MRI and high-frequency ultrasound, and the lengths of the anterior and posterior divisions of C7 nerve were measured before surgery. Precise length of anterior and posterior divisions of contralateral C7 nerve was measured during surgery.

Results: MRI-measured lengths of anterior and posterior divisions of C7 nerves were positively correlated with that measured during surgery (anterior division, r = 0.94, p < .01; posterior division, r = 0.92, p < .01). High agreement was found between MRI-measured and intra-surgery measured length of anterior and posterior divisions of C7 nerve by BLAD-ALTMAN analysis. Ultrasonography could feasibly image supraclavicular C7 nerve and recognize small variant branches derived from middle trunk of C7 nerve root, which could be dissected intra-operatively and confirmed by electromyography during the procedure of contralateral C7 nerve transfer.

Conclusion: CUBE-STIR MRI had advantages for the imaging of the brachial plexus and measurement of the length of root-trunk-anterior/posterior divisions of C7 nerve. The clinical role of ultrasonography may be a simple way of evaluating general condition of C7 nerve and provide guidelines for contralateral C7 nerve transfer surgery.
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http://dx.doi.org/10.1080/02688697.2019.1584661DOI Listing
March 2019

Multiple glomus tumor on the anteromedial side of leg.

Chronic Dis Transl Med 2015 Sep 6;1(3):187-190. Epub 2015 Oct 6.

Department of Radiology, Jing'an District Centre Hospital of Shanghai (Huashan Hospital Fudan University Jing'an Branch), 200040, China.

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http://dx.doi.org/10.1016/j.cdtm.2015.09.003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5643742PMC
September 2015

[Preliminary application of magnetic resonance susceptibility weighted imaging in neonates with punctate white matter lesions].

Zhonghua Yi Xue Za Zhi 2011 Jun;91(23):1600-4

Department of Radiology, Children's Hospital, Fudan University, Shanghai 201102, China.

Objective: To evaluate the severity of punctate white matter lesions (PWML) in neonatal brain injury with susceptibility weighted imaging (SWI) and explore the value and limitation of SWI versus the conventional magnetic resonance imaging (MRI).

Methods: A total of 34 neonates presenting with PWML at initial MRI were recruited for this prospective study. PWML were defined as punctuate lesions with T(1) hyperintensity and T(2) isointensity or hypointensity in white matter. There were 21 males and 13 females with a median age of 9.24 days (range: 2 - 17 days). All MRI examinations were performed at 1.5 Tesla unit including conventional MRI (T(1), T(2) & Flair sequences), DWI and SWI. PWML were classified into two groups: (1) T(1) hyperintensity & T(2) isointensity; (2) T(1) hyperintensity & T(2) hypointensity. The manifestations of PWML on SWI were analyzed.

Results: Among all cases, only 5 cases (14.7%) demonstrated an evidence of hemorrhage on SWI. There were 7 cases in Group 1. Only 1 case showed punctate hypointensity in the areas of PWML on SWI while there was no hemorrhage on SWI in other 6 cases. Twenty-seven cases were in Group 2. Only 4 cases showed an evidence of hemorrhage on SWI while hemorrhage was absent on SWI in other 23 cases.

Conclusion: Most areas of PWML in neonatal brain show no hemorrhage on SWI. And SWI can help to identify whether or not hemorrhage is present in PWML of neonates.
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June 2011

64-slice CT perfusion imaging of pancreatic adenocarcinoma and mass-forming chronic pancreatitis.

Acad Radiol 2011 Jan 15;18(1):81-8. Epub 2010 Oct 15.

Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China.

Rationale And Objectives: To investigate 64 computed tomography (CT) perfusion imaging features of patients with pancreatic cancer and mass-forming chronic pancreatitis.

Materials And Methods: Between January 2003 and April 2010, 234 patients with pancreatic mass underwent 64-CT perfusion imaging. Among them, the histopathological results of 64 patients were proven to be pancreatic adenocarcinoma and 15 patients were proven to be mass-forming chronic pancreatitis. Additionally, CT perfusion imaging was performed in 33 healthy volunteers served as controls. The slice data were processed using CT perfusion software. Perfusion parameters including time density curve, blood flow, blood volume, permeability, peak enhancement, and time to peak were recorded.

Results: Blood flow was 77% lower in patients with pancreatic adenocarcinoma than in controls, 48% lower in patients with mass-forming chronic pancreatitis than in controls, and 56% lower in patients with pancreatic adenocarcinoma than with mass-forming chronic pancreatitis (P < .016). Blood volume was 65% lower in pancreatic adenocarcinoma than in controls, 27% lower in mass-forming chronic pancreatitis than in controls, and 53% lower in cancer than mass-forming chronic pancreatitis (P < .016). Permeability was 559% higher in pancreatic adenocarcinoma than in controls, 821% higher in mass-forming chronic pancreatitis than in controls, and 28% lower in cancer than mass-forming chronic pancreatitis (P < .016). Peak enhancement was 27% lower and time to peak 23% longer in pancreatic adenocarcinoma than mass-forming chronic pancreatitis (P < .016). Time-density curve showed the peak of mass-forming chronic pancreatitis is earlier and higher than that of pancreatic adenocarcinoma, and the peak of mass-forming chronic pancreatitis is later and lower than that of controls.

Conclusion: CT perfusion imaging can provide additional quantitative hemodynamic information of pancreatic adenocarcinoma and mass-forming chronic pancreatitis.
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http://dx.doi.org/10.1016/j.acra.2010.07.012DOI Listing
January 2011
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