-
5441
The value of multiparametric MRI radiomics and machine learning in predicting preoperative Ki-67 expression level in breast cancer
Published 2025-01-01“…Radiomic features were derived from both the intratumoral and peritumoral regions, extending 5 mm from the tumor boundary, using magnetic resonance imaging (MRI). The MRI sequences employed included T2-weighted imaging (T2WI), dynamic contrast-enhanced (DCE) imaging, diffusion-weighted imaging (DWI), and apparent diffusion coefficient (ADC) maps. …”
Get full text
Article -
5442
Research Progress and Prospect of High-Nitrogen Austenitic Stainless Steel
Published 2025-02-01“…High-nitrogen austenitic stainless steels exhibit high strength and toughness, strong wear and corrosion resistance, and also possess non-magnetic property along with excellent biocompatibility. …”
Get full text
Article -
5443
Distinguishing benign and malignant myxoid soft tissue tumors: Performance of radiomics vs. radiologists.
Published 2025-01-01“…<h4>Methods</h4>Manual segmentation of 90 myxoid soft tissue tumors (45 myxomas and 45 myxofibrosarcomas) was performed on axial T1, and T2FS or STIR magnetic resonance imaging sequences. Eighty-seven radiomic features from each modality were extracted. …”
Get full text
Article -
5444
A Case of Status Epilepticus in a Patient Experiencing an Acute Attack of Hereditary Angioedema
Published 2025-01-01“…Inpatient work-up included continuous video electroencephalography monitoring and magnetic resonance imaging of the brain, both of which were normal. …”
Get full text
Article -
5445
Significance of siderophore-producing cyanobacteria on enhancing iron uptake potentiality of maize plants grown under iron-deficiency
Published 2025-01-01“…The response surface approach was successful in optimizing the conditions of siderophore production in Synechococcus mundulus with actual values for maximum biomass (387.11 mg L− 1) and siderophore production (91.84%) higher than the predicted values. The proton nuclear magnetic resonance (1H NMR) analysis data and the Fourier transformer-infrared spectrum analysis (FT-IR) signify the hydroxamate nature of Synechococcus mundulus isolated siderophore. …”
Get full text
Article -
5446
Ovarian adenomyoma: a case report
Published 2025-01-01“…CA125 (Carbohydrate antigen 125) 191.80U/ml (0–30). MRI (magnetic resonance imaging) imaging confirmed a 7.9 × 6.2 × 7.2 cm fibroid on the right posterior wall of the uterus. …”
Get full text
Article -
5447
Surgical Treatment Patterns, Healthcare Resource Utilization, and Economic Burden in Patients with Tenosynovial Giant Cell Tumor Who Underwent Joint Surgery in the United States
Published 2022-03-01“…During a median follow-up of 5.7 years, 78% of patients underwent their first joint surgery in year 1 and 41% had ≥1 repeat surgery. Magnetic resonance imaging utilization was highest during baseline (46%) and declined afterward (28%, 17%, and 19% in years 1, 2, and 3, respectively). …”
Get full text
Article -
5448
Experimental assessment of the pyramidal energy on water.
Published 2006-04-01“…It was placed so that two sides of its base were parallel to the North-South axis magnetic of the Earth. The measures were carried out in a blind way by one of the ours under the supervision of the other two co authors. …”
Get full text
Article -
5449
Dynamic Stabilisation in the Treatment of Degenerative Disc Disease with Modic Changes
Published 2013-01-01“…Lordosis of the lumbar spine, segmental lordosis, and ratio of the height of the intervertebral disc spaces (IVSs) were measured preoperatively and at 3, 12, and 24 months after surgery. Magnetic resonance imaging (MRI) analysis was carried out, and according to the data obtained, the grade of disc degeneration was classified. …”
Get full text
Article -
5450
Effect and safety of ethanolamine oleate in sclerotherapy in patients with difficult-to-resect venous malformations: A multicenter, single-arm study.
Published 2025-01-01“…<h4>Evaluation methods</h4>Treatment effect was assessed by evaluating the difference in lesion volume using magnetic resonance imaging as a primary endpoint and differences in pain using a visual analog scale as a key secondary endpoint.…”
Get full text
Article -
5451
Optimal sizing and performance assessment of stand-alone PV systems using optimum hybrid sizing strategy
Published 2025-03-01“…Detailed system component simulations, including electro-magnetic transients (EMT) in MATLAB/Simulink and PVsyst, are employed. …”
Get full text
Article -
5452
Quantitative Characterization of Full-Spectrum Pore Size and Connectivity for Shale with Different Sedimentary Facies from the Dongying Depression, Bohai Bay Basin, East China
Published 2022-01-01“…The T2 spectra of nuclear magnetic resonance tests for the “high TOC laminated clayey marlstone” facies which contains abundant calcite laminae and organic matter-hosted pores commonly show three peaks, with a dominant peak at less than 300 nm in diameter and good pore connectivity. …”
Get full text
Article -
5453
dP/dtmax: An underestimated prognostic factor in large animal infarction model
Published 2025-01-01“…To monitor the cardiac function, measurements were made by cardiac magnetic resonance imaging (cMRI), invasive pressure monitoring, and a Pulse index Continuous Cardiac Output (PiCCO) hemodynamic system at 0, 72, and 720 h during the follow‐up period. …”
Get full text
Article -
5454
An Artificial Neural Network Developed in MATLAB-Simulink for Reconstruction a Distorted Secondary Current Waveform. Part 1
Published 2021-12-01“…A possible application of the аrtificial neural networks for the relay protection purposes is the fault occurrence detection and its type identification, current transformer secondary current waveform distortion restoration due to its saturation up to its true value, detection the distorted and undistorted sections of the current transformer secondary current waveform during its saturation, primary power equipment abnormal operating modes detection, for example, power transformer magnetizing current inrush. The article describes in detail the stages of the practical implementation of the аrtificial neural networks in the MATLAB-Simulink environment by the example of its use to restore the distorted current transformer secondary current waveform due to saturation.…”
Get full text
Article -
5455
Diagnostic accuracy of MRI-based radiomic features for EGFR mutation status in non-small cell lung cancer patients with brain metastases: a meta-analysis
Published 2025-01-01“…ObjectiveThis meta-analysis aims to evaluate the diagnostic accuracy of magnetic resonance imaging (MRI) based radiomic features for predicting epidermal growth factor receptor (EGFR) mutation status in non-small cell lung cancer (NSCLC) patients with brain metastases.MethodsWe systematically searched PubMed, Embase, Cochrane Library, Web of Science, Scopus, Wanfang, and China National Knowledge Infrastructure (CNKI) for studies published up to April 30, 2024. …”
Get full text
Article -
5456
Acupuncture Reversible Effects on Altered Default Mode Network of Chronic Migraine Accompanied with Clinical Symptom Relief
Published 2019-01-01“…Resting-state functional magnetic resonance imaging (fMRI) data from 14 CM patients treated with longitudinal pre- and postacupuncture treatment (PPAT) and data of 18 age- and gender-matched healthy controls (HCs) were analyzed using independent component analysis (ICA) and seed-based correlation analysis (SCA) to investigate connectivity within the DMN. …”
Get full text
Article -
5457
Seepage mode in lamina-developed shale oil reservoirs under strong heterogeneous and strong fluid–solid coupling in Jiyang depression of China
Published 2025-01-01“…Based on online nuclear magnetic resonance (NMR), fluid migration in pores of different scales and laminae during the FSP was discovered. …”
Get full text
Article -
5458
Potentials of transanal endoscopic surgery at early rectal cancer
Published 2014-10-01“…Preoperative examination included: digital investigation of the rectum, rectoromanoscopy with biopsy, colonoscopy, TRUS, computer tomography and magnetic-resonance tomography of abdominal cavity and small pelvis.Results. …”
Get full text
Article -
5459
Enhanced Disc Herniation Classification Using Grey Wolf Optimization Based on Hybrid Feature Extraction and Deep Learning Methods
Published 2024-12-01“…The aim of this study was to classify lumbar disc herniations in a computer-aided, fully automated manner using magnetic resonance images (MRIs). Methods: This study presents a hybrid method integrating residual network (ResNet50), grey wolf optimization (GWO), and machine learning classifiers such as multi-layer perceptron (MLP) and support vector machine (SVM) to improve classification performance. …”
Get full text
Article -
5460
No Effect of Anodal tDCS on Verbal Episodic Memory Performance and Neurotransmitter Levels in Young and Elderly Participants
Published 2020-01-01“…Using MEGA-PRESS edited magnetic resonance spectroscopy (MRS), Glx and GABA levels were measured in the left DLPFC before and after the stimulation period. …”
Get full text
Article