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https://www.readbyqxmd.com/read/28445921/assessment-of-the-synergic-effect-of-immunomodulation-on-nerve-repair-using-multi-parametric-mr-imaging
#1
Chu-Shan Zheng, Xiang Zhang, Yue-Yao Chen, Fang Zhang, Xiao-Hui Duan, Mei-Wei Chen, Lie-Jing Lu, Jun Shen
Introduction:The immune system plays a pivotal role in nerve injury. The aim of this study was to investigate the role of multi-parametric magnetic resonance (MR) imaging in the evaluation of the synergic effect of immunomodulation on nerve regeneration in neurotmesis. METHODS: Rats with sciatic nerve neurotmesis and surgical repair underwent serial multi-parametric MR examinations over an 8 week period after subepineurial microinjection of lipopolysaccharide (LPS) and subsequent subcutaneous injection of FK506 or subepineurial microinjection of LPS or phosphate buffered saline (PBS) alone...
April 26, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28445914/clinical-significance-of-intraluminal-contrast-enhancement-in-patients-with-spontaneous-cervical-artery-dissection-a%C3%A2-black-blood-mri-study
#2
Eva Coppenrath, Olga Lenz, Nora Sommer, Nina Lummel, Jennifer Linn, Karla Treitl, Fabian Bamberg, Maximilian Reiser, Thomas Pfefferkorn, Tobias Saam
Purpose Recent studies have suggested that intraluminal thrombi show contrast enhancement on carotid black-blood T1w MRI. The aim of this study was to evaluate the significance of intraluminal contrast enhancement (iCE) regarding symptom status in patients with spontaneous cervical artery dissection (sCAD). Methods 33 consecutive patients (19 men) with sCAD received a brain MRI (DIFF, T2w, T2*w, FLAIR) and a multi-sequence 3T-MRI with fat-saturated high-resolution black-blood T1w-sequences pre- and post-contrast, contrast-enhanced MR angiography and TOF images of carotid and vertebral arteries...
April 26, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28445282/a-case-report-of-sj%C3%A3-gren-syndrome-manifesting-bilateral-basal-ganglia-lesions
#3
Bing Niu, Zhenzhen Zou, Yuqin Shen, Bingzhen Cao
RATIONALE: Peripheral neurological complications in primary Sjögren's syndrome (pSS) seem the most common, however the involvement of central nervous system (CNS) remains unclear. While abnormalities in pSS revealed by brain magnetic resonance imaging (MRI) are usually small discrete hyperintense areas in the white matter on T2-FLAIR weighted MRI, massive brain lesions have been rarely reported, particularly in bilateral basal ganglia. PATIENT CONCERNS: A 51-year-old woman exhibited dizziness, slurred speech and hemiplegia as a manifestation of pSS...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445126/clinical-features-and-surgical-treatment-of-sacral-schwannomas
#4
Weibo Pan, Zhan Wang, Nong Lin, Xin Huang, Meng Liu, Xiaobo Yan, Zhaoming Ye
BACKGROUND: Sacral schwannoma is relatively rare and both the early diagnosis and appropriate treatment of sacral schwannomas are equally very challenging. METHODS: 11 sacral schwannoma cases operated at the Second Affiliated Hospital, School of Medicine, Zhejiang University, from 2012 to 2016, were investigated retrospectively and 10 were followed up. All patients were assessed with X-ray, CT and MRI, and underwent an intralesional excision. RESULTS: One patient was male, nine were female and the average age was 48 (ranging between 31 and 63)...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444825/3-tesla-magnetic-resonance-imaging-study-of-the-normal-canine-femoral-and-sciatic-nerves
#5
Christine Sievert, Henning Richter, Dominic Gascho, Patrick R Kircher, Inés Carrera
Understanding the normal course and optimizing visualization of the canine peripheral nerves of the lumbar plexus, in particular the sciatic and the femoral nerves, is essential when interpreting images of patients with suspected peripheral neuropathies such as inflammatory or neoplastic conditions. The purpose of this prospective, anatomic study was to describe the magnetic resonance imaging (MRI) anatomy of the normal canine femoral and sciatic nerves and to define the sequences in which the nerves are best depicted...
April 25, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28444420/periportal-lymphatic-system-on-post-hepatobiliary-phase-gd-eob-dtpa-enhanced-mr-imaging-in-normal-subjects-and-patients-with-chronic-hepatitis-c
#6
Yasunari Yamada, Shunro Matsumoto, Hiromu Mori, Ryo Takaji, Maki Kiyonaga, Naoki Hijiya, Rika Tanoue, Kenichiro Tomonari, Shuichi Tanoue, Norio Hongo, Masayuki Ohta, Masataka Seike, Masafumi Inomata, Kazunari Murakami, Masatsugu Moriyama
PURPOSE: We sought to evaluate visualization of periportal lymphatics and lymph nodes (lymphatic system) on Gd-EOB-DTPA-enhanced magnetic resonance (MR) images using a fat-suppressed T2-weighted sequence with 3-dimensional (3D) volume isotropic turbo spin echo acquisition (VISTA) at 3.0 T in normal subjects and patients with chronic hepatitis C. METHODS: MR imaging was performed in 254 subjects between June 2013 and May 2016. After applying inclusion and exclusion criteria, the final population was 31 normal subjects and 34 patients with chronic hepatitis C...
April 25, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28443173/qualitative-grading-as-a-tool-in-the-management-of-multilevel-lumbar-spine-stenosis
#7
Shardul Madhav Soman, Jimmy Chokshi, Naitik Chhatrala, Gulam Haider Tharadara, Mukund Prabhakar
STUDY DESIGN: This is a prospective study that was undertaken at a single centre and involved 80 consecutive patients diagnosed with lumbar spinal stenosis (LSS). PURPOSE: The aim of the study was to assess the efficacy of a qualitative grading system as seen on magnetic resonance imaging (MRI) as a tool in the management of multilevel LSS. OVERVIEW OF LITERATURE: LSS diagnosis is clinical but is usually radiologically supplemented. However, there are often multilevel radiological findings with non-specific or atypical clinical features...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443160/correlation-between-preoperative-magnetic-resonance-imaging-signal-intensity-changes-and-clinical-outcomes-in-patients-surgically-treated-for-cervical-myeloradiculopathy
#8
Chaitanya Baban Chikhale, Ketan Shripad Khurjekar, Ashok Kumar Shyam, Parag Kantilal Sancheti
STUDY DESIGN: This was a single surgeon, single center-based retrospective study with prospective data collection. PURPOSE: To assess the correlation between T2-weighted magnetic resonance imaging (MRI) signal intensity (SI) changes and factors such as age, duration of symptoms, baseline modified Japanese Orthopedic Association (mJOA) score and to determine its prognostic value in predicting recovery after surgery. OVERVIEW OF LITERATURE: Whether intramedullary cord T2-weighted MRI SI changes can predict operative outcomes of cervical myeloradiculopathy remains debatable, with only a few prospective studies analyzing the same...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443046/craving-behavior-intervention-in-ameliorating-college-students-internet-game-disorder-a-longitudinal-study
#9
Lin-Yuan Deng, Lu Liu, Cui-Cui Xia, Jing Lan, Jin-Tao Zhang, Xiao-Yi Fang
Craving, as a central feature of addiction and a precursor of relapse, is targeted recently in addiction intervention. While Internet gaming disorder (IGD), conceptualized as a behavioral addiction, is lack of effective treatment practice and exploration of its mechanism. This research aims to test the effectiveness and detect the active ingredients of craving behavior intervention (CBI) in mitigation of IGD among young adults. A total of 63 male college students with IGD were assigned into the intervention group (six-session CBI intervention) or the waiting-list control group...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28443038/mother-infant-and-extra-dyadic-interactions-with-a-new-social-partner-developmental-trajectories-of-early-social-abilities-during-play
#10
Roberta Fadda, Loredana Lucarelli
Mother-infant interactions during feeding and play are pivotal experiences in the development of infants' early social abilities (Stern, 1985, 1995; Biringen, 2000). Stern indicated distinctive characteristics of mother-infant interactions, respectively, during feeding and play, suggesting to evaluate both to better describe the complexity of such early affective and social experiences (Stern, 1996). Moreover, during the first years of life, infants acquire cognitive and social skills that allow them to interact with new social partners in extra-dyadic interactions...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28442619/initial-size-of-unilateral-pleural-effusion-determines-impact-of-thoracocentesis-on-oxygenation
#11
Stylianos A Michaelides, George D Bablekos, Antonis Analitis, Avgerinos-Romanos Michailidis, Konstantinos A Charalabopoulos, Nikolaos Koulouris
BACKGROUND: There have been contradicting reports in the literature regarding the impact of pleural fluid aspiration on patients' oxygenation. The aim of this study was to assess the role of the initial size of effusion on post-drainage oxygenation. METHODS: We studied 122 patients, aged (mean±SD) 61.2±16.8 years, with unilateral pleural effusion and no remarkable parenchymal lesion, by determining PaO2, PaCO2 and [A-a] PaO2 just before thoracocentesis (T1), 30 min after its completion (T2) and 48 hours after the procedure (T3)...
April 25, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28442411/evaluation-of-the-bioactive-extract-of-actinomyces-isolated-from-the-egyptian-environment-against-aflatoxin-b1-induce-cytotoxicity-genotoxicity-and-oxidative-stress-in-the-liver-of-rats
#12
Aziza A El-Nekeety, Asmaa S Salman, Amal S Hathout, Bassem A Sabry, Sekena H Abdel-Aziem, Nabila S Hassan, Mosaad A Abdel-Wahhab
This study aimed to determine the bioactive compounds of actinomyces (ACT) isolated from the Egyptian environment (D-EGY) and to evaluate their protective activity against AFB1 in female Sprague-Dawley rats. Six groups of animals were treated orally for 3 weeks included: C, the control group, T1, AFB1-treated group (80 μg/kg b.w), T2 and T3, the groups received ACT extract at low (25 mg/kg b.w) or high (50 mg/kg b.w) doses, T4 and T5, the groups received AFB1 plus the low or high dose of ACT extract. Blood, bone marrow and tissue samples were collected for different analyses and histological examination...
April 22, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28441824/-clinical-and-neuroimaging-features-of-acute-encephalopathy-after-status-epilepticus-in-dravet-syndrome
#13
X J Tian, Y H Zhang, A J Liu, X L Yang, Q Zeng, Z X Yang, J T Ye, X Y Liu, Y W Jiang, X R Wu
Objective: To investigate the clinical and neuroimaging characteristics of acute encephalopathy (AE) after status epilepticus (SE) of patients with Dravet syndrome (DS). Method: The clinical data of DS patients who had AE (coma ≥24 h) after SE were retrospectively collected from February 2005 to August 2016 in Peking University First Hospital and SCN1A gene tests were performed.The clinical and neuroimaging features were summarized. Result: Twenty-two patients (9 males and 13 females) with AE were collected among 412 DS patients during follow-up...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28441659/perioperative-serum-carcinoembryonic-antigen-levels-predict-recurrence-and-survival-of-patients-with-pathological-t2-4-gastric-cancer-treated-with-curative-gastrectomy
#14
Hiroaki Uda, Mitsuro Kanda, Chie Tanaka, Daisuke Kobayashi, Kenichi Inaoka, Yuri Tanaka, Masamichi Hayashi, Naoki Iwata, Suguru Yamada, Tsutomu Fujii, Hiroyuki Sugimoto, Kenta Murotani, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND/AIMS: Do serum carcinoembryonic antigen (CEA) and carbohydrate antigen (CA) 19-9 levels serve as prognostic indicators in patients with gastric cancer (GC)? This is a question that has long been disputed. The aim of this study was to evaluate the significance of perioperative serum levels of CEA and CA19-9 for predicting the recurrence and long-term survival after patients with pT2-4 GC undergo curative gastrectomy. METHODS: This study included 251 patients with radically resected pT2-4 GC without preoperative treatment...
April 26, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28441447/tumor-response-assessment-by-mri-following-stereotactic-body-radiation-therapy-for-hepatocellular-carcinoma
#15
Guillaume Oldrini, Andres Huertas, Sophie Renard-Oldrini, Hélène Taste-George, Guillaume Vogin, Valérie Laurent, Julia Salleron, Philippe Henrot
BACKGROUND: To evaluate the MRI features of a tumor response, local control, and predictive factors of local control after stereotactic body radiation therapy (SBRT) for hepatocellular carcinoma (HCC). METHODS: Thirty-five consecutive patients with 48 HCCs who were treated by SBRT were included in this retrospective study. All patients provided written informed consent to be treated by SBRT, and prior to inclusion they authorized use of the treatment data for further studies...
2017: PloS One
https://www.readbyqxmd.com/read/28441369/cardiac-magnetic-resonance-imaging-in-oncology
#16
Daniel Jeong, Aarti Patel, Christopher J Francois, Kenneth L Gage, Michael G Fradley
BACKGROUND: Cardiac magnetic resonance imaging (MRI) is emerging as an important diagnostic modality in the management of cardiovascular-related dysfunction in oncological diseases. Advances in imaging techniques have enhanced the detection and evaluation of cardiac masses; meanwhile, innovative applications have created a growing role for cardiac MRI for the management of cardiotoxicity caused by cancer therapies. METHODS: An overview is provided of the clinical indications and technical considerations of cardiac MRI...
April 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28441051/diffusion-weighted-magnetic-resonance-imaging-of-the-brain-of-neurologically-normal-dogs
#17
Megan J MacLellan, Christopher P Ober, Daniel A Feeney, Carl R Jessen
OBJECTIVE To acquire MRI diffusion data (apparent diffusion coefficient [ADC] and fractional anisotropy [FA] values, including separate measures for gray and white matter) at 3.0 T for multiple locations of the brain of neurologically normal dogs. ANIMALS: 13 neurologically normal dogs recruited from a group of patients undergoing tibial plateau leveling osteotomy. PROCEDURES: MRI duration ranged from 20 to 30 minutes, including obtaining preliminary images to exclude pathological changes (T2-weighted fluid-attenuated inversion recovery transverse and dorsal images) and diffusion-weighted images...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28440586/comparison-of-preoperative-quantitative-magnetic-resonance-imaging-and-clinical-assessment-of-deep-pain-perception-as-prognostic-tools-for-early-recovery-of-motor-function-in-paraplegic-dogs-with-intervertebral-disk-herniations
#18
A Wang-Leandro, J S Siedenburg, M K Hobert, P Dziallas, K Rohn, V M Stein, A Tipold
BACKGROUND: Prognostic tools to predict early postoperative motor function recovery (MFR) after thoracolumbar intervertebral disk herniation (IVDH) in paraplegic dogs represent an opportunity to timely implement novel therapies that could shorten recovery times and diminish permanent neurological dysfunctions. HYPOTHESIS: Fractional anisotropy (FA) values obtained using diffusion tensor imaging have a higher prognostic value than a lesion extension ratio in T2-weighted images (T2W-LER) and clinical assessment of deep pain perception (DPP) for MFR...
April 25, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28440255/clinical-profile-and-neuroimaging-in-pediatric-optic-neuritis-in-indian-population-a-case-series
#19
Rutika Khadse, Meenakshi Ravindran, Neelam Pawar, Padmavathy Maharajan, Ramakrishnan Rengappa
PURPOSE OF THE STUDY: The purpose of this study was to report clinical features, neuroimaging, and visual outcome in pediatric optic neuritis (ON) in Indian population. MATERIALS AND METHODS: This is a retrospective study of children up to the age of 16 years, diagnosed with ON, that presented at pediatric and neuroophthalmology clinic of a tertiary eye care center, in South India, within the period of 2010-2015. RESULTS: We identified 62 eyes of 40 children diagnosed as ON within the study period...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439942/assessment-of-motion-of-colonic-contents-in-the-human-colon-using-mri-tagging
#20
S E Pritchard, J Paul, G Major, L Marciani, P A Gowland, R C Spiller, C L Hoad
BACKGROUND: We have previously reported a non-invasive, semi-automated technique to assess motility of the wall of the ascending colon (AC) using Magnetic Resonance Imaging. This study investigated the feasibility of using a tagged MRI technique to visualize and assess the degree of flow within the human ascending colon in healthy subjects and those suffering from constipation. METHODS: An open-labeled study of 11 subjects with constipation and 11 subjects without bowel disorders was performed...
April 25, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
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