Showing 2,601 - 2,620 results of 2,850 for search '"MRI"', query time: 0.06s Refine Results
  1. 2601
  2. 2602

    A Case of Nonfunctioning Pituitary Carcinoma That Responded to Temozolomide Treatment by Haruko Morokuma, Takao Ando, Takuya Hayashida, Ichiro Horie, Naoko Inoshita, Fumi Murata, Ikuko Ueki, Kan Nakamura, Misa Imaizumi, Toshiro Usa, Atsushi Kawakami

    Published 2012-01-01
    “…There was an apparent antitumor response seen in MRI. MGMT, an enzyme antagonized by TMZ, was negative in the tumor. …”
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  3. 2603

    Optimization of In Vivo Studies by Combining Planar Dynamic and Tomographic Imaging: Workflow Evaluation on a Superparamagnetic Nanoparticles System by Maritina Rouchota, Alessio Adamiano, Michele Iafisco, Eirini Fragogeorgi, Irineos Pilatis, Gilles Doumont, Sébastien Boutry, Daniele Catalucci, Argyro Zacharioudaki, George C. Kagadis

    Published 2021-01-01
    “…In the present study, we used an iron-based nanoformulation, already established as an MRI/SPECT probe, as well as to load different biomolecules, to investigate its potential for nuclear planar and tomographic imaging of several target tissues following its distribution via different administration routes. …”
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  4. 2604

    Molecular profiling of frontal and occipital subcortical white matter hyperintensities in Alzheimer’s disease by Sulochan Malla, Sulochan Malla, Annie G. Bryant, Annie G. Bryant, Rojashree Jayakumar, Benjamin Woost, Nina Wolf, Andrew Li, Sudeshna Das, Sudeshna Das, Susanne J. van Veluw, Susanne J. van Veluw, Rachel E. Bennett, Rachel E. Bennett

    Published 2025-01-01
    “…White matter hyperintensities (WMHs) are commonly detected on T2-weighted magnetic resonance imaging (MRI) scans, occurring in both typical aging and Alzheimer’s disease (AD). …”
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  5. 2605

    Default mode network-basal ganglia network connectivity predicts the transition to postherpetic neuralgia by Ying Wu, Chao Wang, Wei Qian, Lieju Wang, Lina Yu, Minming Zhang, Min Yan

    Published 2025-06-01
    “…Methods: In this cross-sectional study, 31 patients with PHN, 33 with recuperation from herpes zoster (RHZ), and 28 with acute herpes zoster (AHZ) were recruited and underwent resting-state functional magnetic resonance imaging (fMRI). We investigated the differences in the connectivity of four resting-state networks (RSN) among the three groups. …”
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  6. 2606

    Development and biomechanical evaluation of a 3D printed analogue of the human lumbar spine by Siril Teja Dukkipati, Mark Driscoll

    Published 2025-01-01
    “…The vertebrae and the IVDs were derived from an open-source 3D MRI anatomography database, while the ligaments were modeled based on literature incorporating mounting points on the spinous and transverse processes. …”
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  7. 2607
  8. 2608

    Corticospinal Tract Wiring and Brain Lesion Characteristics in Unilateral Cerebral Palsy: Determinants of Upper Limb Motor and Sensory Function by Cristina Simon-Martinez, Ellen Jaspers, Lisa Mailleux, Els Ortibus, Katrijn Klingels, Nicole Wenderoth, Hilde Feys

    Published 2018-01-01
    “…Fifty-two participants with uCP (mean age (SD): 11 y and 3 m (3 y and 10 m)) underwent a single-pulse Transcranial Magnetic Stimulation session to determine CST wiring between the motor cortex and the more affected hand (n=17 contralateral, n=19 ipsilateral, and n=16 bilateral) and an MRI to determine lesion timing (n=34 periventricular (PV) lesion, n=18 corticosubcortical (CSC) lesion), location, and extent. …”
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  9. 2609

    Unusual Presentation of Recurrent Early Stage Endometrial Carcinoma 28 Years after Primary Surgery by Alessandro Franchello, Gianruggero Fronda, Giacomo Deiro, Alessia Fiore, Davide Cassine, Luca Molinaro, Luigi Chiusa, Sara Galati, Andrea Resegotti, Stefano Silvestri

    Published 2015-01-01
    “…Patients underwent CT scan, pelvic MRI, and rectal EUS with FNA: histopathological and immunohistochemical analysis revealed differentiated carcinoma cells of endometrial origin. …”
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  10. 2610

    Impact of the COVID-19 Pandemic and Vaccine Availability on Utilization of Breast Imaging in a Multistate Radiology Practice by Andrew K. Hillman, Phil Ramis, Patrick Nielsen, Eric M. Rohren

    Published 2024-01-01
    “…The data provided us with the total monthly mammography, breast ultrasound, and breast MRI procedures from January 2019 to September 2022. …”
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  11. 2611

    AOZORA: long-term safety and joint health in paediatric persons with haemophilia A without factor VIII inhibitors receiving emicizumab – protocol for a multicentre, open-label, pha... by Seitaro Yoshida, Masashi Taki, Hideyuki Takedani, Midori Shima, Keiji Nogami, Azusa Nagao, Haruko Yamaguchi-Suita, Yui Kyogoku, Akira Ishiguro, Kaoru Kitsukawa

    Published 2022-06-01
    “…The primary endpoints include a long-term safety evaluation of adverse events, laboratory test abnormalities and FVIII inhibitor development; and a long-term joint health assessment using MRI and the Hemophilia Joint Health Score. Exploratory endpoints include characterising participants’ physical activities and the number of activity-related bleeds requiring coagulation factor treatment. …”
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  12. 2612

    The immediate alteration of cerebellar Glx/GABA and cerebello-thalamo-cortical connectivity in patients with schizophrenia after cerebellar TMS by Chenyang Yao, Youjin Zhao, Qian Zhang, Ziyuan Zhao, Kai Ai, Bo Zhang, Su Lui

    Published 2025-02-01
    “…This study aims to explore the immediate effects of cerebellar TMS on CTC circuitry and neurotransmitter levels to elucidate its therapeutic mechanisms in schizophrenia.The study involved 19 stable schizophrenia patients and 26 healthy controls, diagnosed according to DSM-V criteria and assessed for symptom severity using the Positive and Negative Syndrome Scale (PANSS). MRI scans were conducted pre- and post-TMS to detect changes in CTC functional connectivity, GABA, Glx, and Glx/GABA. …”
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  13. 2613

    Case report: an unusual long-term evolution of a diffuse midline glioma, H3K27 altered by Michael Griessmair, Michael Griessmair, Claire Delbridge, Claus Zimmer, Eva Mayr, Arthur Wagner, Julian Canisius, Marie-Christin Metz, Benedikt Wiestler, Benedikt Wiestler

    Published 2025-02-01
    “…BackgroundAs diffuse midline glioma, H3K27 altered, is a rare tumor entity with poor prognosis and few therapeutic options, only little is known so far about the genetic factors that influence tumorigenesis and the course of tumor development.PresentationWe present the case of a 38-year-old female patient who suffered from nausea, fatigue, and intermittent walking impairment, which developed over the course of four weeks. Initial MRI showed an irregularly shaped, contrast-enhancing tumor around the third ventricle with central necrosis, most likely originating from the right thalamus. …”
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  14. 2614

    Relationship between the location of the popliteal artery and the tibial osteotomy plane in patients with medial and lateral unicompartmental knee arthroplasty: A retrospective ana... by Kubo Tatsuya, Takahashi Tsuneari, Kimura Yuya, Ajiki Takashi, Yasuda Eri, Takeshita Katsushi

    Published 2025-01-01
    “…Purpose: To clarify the location of the popliteal artery (PA) is relative to the tibial osteotomy plane in patients with medial and lateral unicompartmental knee osteoarthritis (KOA) undergoing UKA. Methods: Preoperative MRI and postoperative radiographs obtained from 50 patients with unicompartmental KOA who underwent fixed-bearing UKA were analyzed. …”
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  15. 2615

    Clinical Efficacy and Safety of Trans-Sacral Epiduroscopic Laser Decompression Compared to Percutaneous Epidural Neuroplasty by Bong Ju Moon, Seong Yi, Yoon Ha, Keung Nyun Kim, Do Heum Yoon, Dong Ah Shin

    Published 2019-01-01
    “…This study evaluated the clinical efficacy and safety of SELD compared to PEN, as well as the change in protruded disc volume after SELD through pre- and postoperative magnetic resonance imaging (MRI), in patients with HLD. Thirty consecutive patients underwent SELD (SELD group), and 45 patients underwent PEN (PEN group). …”
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  16. 2616

    表观弥散系数对磁共振引导聚焦超声术治疗子宫肌瘤效果的评估 by 曾雪伟, 周守国, 黄耀渠, 王梓华, 何亚男, 黄华仪, 王娟

    Published 2023-09-01
    “…方法回顾性分析佛山市中医院2018年1月至2022年10月期间56例接受MRgFUS治疗子宫肌瘤患者治疗前、治疗3月后和6月后的MRI及临床资料,比较患者病灶ADC值与肌瘤的体积,症状严重评分(SSS)和子宫肌瘤症状-生活质量问卷(UFS-QOL)评分的相关性。…”
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  17. 2617

    LI-RADS与亚洲肿瘤峰会标准对小肝癌的诊断效能分析 by 王影, 余深平

    Published 2019-01-01
    “…【方法】回顾性分析有肝细胞癌发病风险的220名共289处直径≤30mm和106名共129处直径<20mm的肝脏病变的CT、MRI征象,分别依据LI-RADS(v2013)和AOS临床实践指南提出的影像学诊断标准,比较两者的敏感度、特异度、阳性预测值、阴性预测值及两者ROC曲线下面积(AUC值),以此评估二者的诊断价值。…”
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  18. 2618

    Deep Learning for Discrimination of Early Spinal Tuberculosis from Acute Osteoporotic Vertebral Fracture on CT by Liu W, Wang J, Lei Y, Liu P, Han Z, Wang S, Liu B

    Published 2025-01-01
    “…Wenjun Liu,1 Jin Wang,2 Yiting Lei,1 Peng Liu,3 Zhenghan Han,1 Shichu Wang,1 Bo Liu1 1Department of Orthopedics, First Affiliated Hospital, Chongqing Medical University, Chongqing, People’s Republic of China; 2College of Medical Informatics, Chongqing Medical University, Chongqing, People’s Republic of China; 3Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing, People’s Republic of ChinaCorrespondence: Bo Liu, Department of Orthopedics, First Affiliated Hospital, Chongqing Medical University, Chongqing, People’s Republic of China, Tel +8613996065698, Email boliu@hospital.cqmu.edu.cnBackground: Early differentiation between spinal tuberculosis (STB) and acute osteoporotic vertebral compression fracture (OVCF) is crucial for determining the appropriate clinical management and treatment pathway, thereby significantly impacting patient outcomes.Objective: To evaluate the efficacy of deep learning (DL) models using reconstructed sagittal CT images in the differentiation of early STB from acute OVCF, with the aim of enhancing diagnostic precision, reducing reliance on MRI and biopsies, and minimizing the risks of misdiagnosis.Methods: Data were collected from 373 patients, with 302 patients recruited from a university-affiliated hospital serving as the training and internal validation sets, and an additional 71 patients from another university-affiliated hospital serving as the external validation set. …”
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  19. 2619

    Distinct neural computations scale the violation of expected reward and emotion in social transgressions by Ting Xu, Lei Zhang, Feng Zhou, Kun Fu, Xianyang Gan, Zhiyi Chen, Ran Zhang, Chunmei Lan, Lan Wang, Keith M. Kendrick, Dezhong Yao, Benjamin Becker

    Published 2025-01-01
    “…Abstract Traditional decision-making models conceptualize humans as adaptive learners utilizing the differences between expected and actual rewards (prediction errors, PEs) to maximize outcomes, but rarely consider the influence of violations of emotional expectations (emotional PEs) and how it differs from reward PEs. Here, we conducted a fMRI experiment (n = 43) using a modified Ultimatum Game to examine how reward and emotional PEs affect punishment decisions in terms of rejecting unfair offers. …”
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  20. 2620

    Butyric Acid Modulates Gut Microbiota to Alleviate Inflammation and Secondary Bone Loss in Ankylosing Spondylitis by Ke You, Lianjun Yang, Zhihai Su, Jun Shen, Xinyang Fan, Yuanqing Guo, Zhen Yuan, Hai Lu

    Published 2024-12-01
    “…Various techniques, including an enzyme-linked immunosorbent assay (ELISA), magnetic resonance imaging (MRI), micro-CT, histology, quantitative PCR (qPCR) for intestinal tight junction protein expression, and 16S rDNA sequencing to analyze gut microbiota abundance, were employed to assess the inflammation and bone health in the target tissues. …”
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