journal
https://read.qxmd.com/read/37733025/reproducibility-of-radiomics-quality-score-an-intra-and-inter-rater-reliability-study
#1
JOURNAL ARTICLE
Tugba Akinci D'Antonoli, Armando Ugo Cavallo, Federica Vernuccio, Arnaldo Stanzione, Michail E Klontzas, Roberto Cannella, Lorenzo Ugga, Agah Baran, Salvatore Claudio Fanni, Ekaterina Petrash, Ilaria Ambrosini, Luca Alessandro Cappellini, Peter van Ooijen, Elmar Kotter, Daniel Pinto Dos Santos, Renato Cuocolo
OBJECTIVES: To investigate the intra- and inter-rater reliability of the total radiomics quality score (RQS) and the reproducibility of individual RQS items' score in a large multireader study. METHODS: Nine raters with different backgrounds were randomly assigned to three groups based on their proficiency with RQS utilization: Groups 1 and 2 represented the inter-rater reliability groups with or without prior training in RQS, respectively; group 3 represented the intra-rater reliability group...
September 21, 2023: European Radiology
https://read.qxmd.com/read/37731096/hepatobiliary-phase-imaging-in-cirrhotic-patients-using-compressed-sensing-and-controlled-aliasing-in-parallel-imaging-results-in-higher-acceleration
#2
JOURNAL ARTICLE
Sungjin Yoon, Young Sup Shim, So Hyun Park, Jaekon Sung, Marcel Dominik Nickel, Ye Jin Kim, Hee Young Lee, Hwa Jung Kim
OBJECTIVE: We aimed to compare the image quality and focal lesion detection ability of hepatobiliary phase (HBP) images obtained using compressed sensing (CS) and controlled aliasing in parallel imaging results in higher acceleration (CAIPIRINHA) in patients with liver cirrhosis. MATERIALS AND METHODS: We retrospectively included 244 gadoxetic acid-enhanced liver MRI from 244 patients with cirrhosis obtained by two HBP images using CS and CAIPIRINHA from July 2020 to December 2020...
September 21, 2023: European Radiology
https://read.qxmd.com/read/37731095/different-prognostic-significance-of-coronary-artery-and-aortic-valve-calcium-in-patients-with-chest-pain
#3
JOURNAL ARTICLE
Marta Marcos-Mangas, Ana Revilla-Orodea, Teresa Sevilla, Esther González-Bartol, Israel Sánchez-Lite, Noelia Urueña-Martínez, Roman Arnold, Itziar Gómez, J Alberto San Román
OBJECTIVES: Coronary artery calcification (CorCa) identifies high cardiovascular risk in the general population. In this setting, aortic valve calcification (AoCa) showed contradictory results. Our goal has been to assess the prognostic power of CorCa and AoCa in patients with chest pain who underwent an ECG-gated cardiac multidetector CT (cardiac-MDCT). METHODS: A total of 528 patients without previous known coronary artery disease, with chest pain who underwent a cardiac-MDCT multidetector, were retrospectively recruited...
September 21, 2023: European Radiology
https://read.qxmd.com/read/37728778/cost-effectiveness-of-ct-perfusion-for-the-detection-of-large-vessel-occlusion-acute-ischemic-stroke-followed-by-endovascular-treatment-a-model-based-health-economic-evaluation-study
#4
JOURNAL ARTICLE
Henk van Voorst, Jan W Hoving, Miou S Koopman, Jasper D Daems, Daan Peerlings, Erik Buskens, Hester F Lingsma, Ludo F M Beenen, Hugo W A M de Jong, Olvert A Berkhemer, Wim H van Zwam, Yvo B W E M Roos, Marianne A A van Walderveen, Ido van den Wijngaard, Diederik W J Dippel, Albert J Yoo, Bruce C V Campbell, Wolfgang G Kunz, Bart J Emmer, Charles B L M Majoie
OBJECTIVES: CT perfusion (CTP) has been suggested to increase the rate of large vessel occlusion (LVO) detection in patients suspected of acute ischemic stroke (AIS) if used in addition to a standard diagnostic imaging regime of CT angiography (CTA) and non-contrast CT (NCCT). The aim of this study was to estimate the costs and health effects of additional CTP for endovascular treatment (EVT)-eligible occlusion detection using model-based analyses. METHODS: In this Dutch, nationwide retrospective cohort study with model-based health economic evaluation, data from 701 EVT-treated patients with available CTP results were included (January 2018-March 2022; trialregister...
September 20, 2023: European Radiology
https://read.qxmd.com/read/37723287/angiography-based-hemodynamic-features-predict-recurrent-ischemic-events-after-angioplasty-and-stenting-of-intracranial-vertebrobasilar-atherosclerotic-stenosis
#5
JOURNAL ARTICLE
Kangmo Huang, Weihe Yao, Mingming Zha, Shanmei Qin, Yingle Li, Yan Xu, Rui Liu, Ruidong Ye, Yunfei Han, Wusheng Zhu, Zhongzhao Teng, Juan Du, Xinfeng Liu
OBJECTIVES: To assess the predictive value of hemodynamic features for stroke relapse in patients with intracranial vertebrobasilar atherosclerotic stenosis treated with percutaneous transluminal angioplasty and stenting (PTAS) using quantitative digital subtraction angiography (q-DSA). METHODS: In this retrospective longitudinal study, patients with intracranial vertebrobasilar atherosclerotic stenosis and who underwent PTAS treatment between January 2012 and May 2020 were enrolled...
September 19, 2023: European Radiology
https://read.qxmd.com/read/37707551/clot-based-time-attenuation-curve-as-a-novel-imaging-predictor-of-mechanical-thrombectomy-functional-outcome-in-acute-ischemia-stroke
#6
JOURNAL ARTICLE
Jianyong Wei, Jingxuan Jiang, Yueqi Zhu, Xiaoer Wei, Zheng Sun, Jianqing Sun, Liang Shi, Haiyan Du, Kai Shang, Yuehua Li
OBJECTIVES: To investigate whether a novel assessment of thrombus permeability obtained from perfusion computed tomography (CTP) can act as a more accurate predictor of clinical response to mechanical thrombectomy (MT) in acute ischemic stroke (AIS). MATERIALS AND METHODS: We performed a study including two cohorts of AIS patients who underwent MT admitted to a single-center between April 2018 and February 2022: a retrospective development cohort (n = 71) and a prospective independent validation cohort (n = 96)...
September 14, 2023: European Radiology
https://read.qxmd.com/read/37707550/predictive-value-of-intraoperative-contrast-enhanced-ultrasound-in-functional-recovery-of-non-traumatic-cervical-spinal-cord-injury
#7
JOURNAL ARTICLE
Xuankun Liang, Xianxiang Wang, Yanfang Chen, Danni He, Lujing Li, Guoliang Chen, Jiachun Li, Jie Li, Shaoyu Liu, Zuofeng Xu
OBJECTIVES: To evaluate the ability of intraoperative CEUS to predict neurological recovery in patients with degenerative cervical myelopathy (DCM). METHODS: Twenty-six patients with DCM who underwent laminoplasty and intraoperative ultrasound (IOUS) were included in this prospective study. The modified Japanese Orthopaedic Association (mJOA) scores and MRI were assessed before surgery and 12 months postoperatively. The anteroposterior diameter (APD), maximum spinal cord compression (MSCC), and area of signal changes in the cord at the compressed and normal levels were measured and compared using MRI and IOUS...
September 14, 2023: European Radiology
https://read.qxmd.com/read/37707549/safety-profile-and-technical-success-of-narrow-window-ct-guided-percutaneous-biopsy-with-blunt-needle-approach-in-the-abdomen-and-pelvis
#8
JOURNAL ARTICLE
Francesca Rigiroli, Andrés Camacho, Andrew Chung, Syed Yasir Andrabi, Alexander Brook, Bettina Siewert, Muneeb Ahmed, Olga R Brook
OBJECTIVE: To assess success and safety of CT-guided procedures with narrow window access for biopsy. METHODS: Three hundred ninety-six consecutive patients undergoing abdominal or pelvic CT-guided biopsy or fiducial placement between 01/2015 and 12/2018 were included (183 women, mean age 63 ± 14 years). Procedures were classified into "wide window" (width of the needle path between structures > 15 mm) and "narrow window" (≤ 15 mm) based on intraprocedural images...
September 14, 2023: European Radiology
https://read.qxmd.com/read/37707548/can-multi-modal-radiomics-using-pretreatment-ultrasound-and-tomosynthesis-predict-response-to-neoadjuvant-systemic-treatment-in-breast-cancer
#9
JOURNAL ARTICLE
Lie Cai, Chris Sidey-Gibbons, Juliane Nees, Fabian Riedel, Benedikt Schäfgen, Riku Togawa, Kristina Killinger, Joerg Heil, André Pfob, Michael Golatta
OBJECTIVES: Response assessment to neoadjuvant systemic treatment (NAST) to guide individualized treatment in breast cancer is a clinical research priority. We aimed to develop an intelligent algorithm using multi-modal pretreatment ultrasound and tomosynthesis radiomics features in addition to clinical variables to predict pathologic complete response (pCR) prior to the initiation of therapy. METHODS: We used retrospective data on patients who underwent ultrasound and tomosynthesis before starting NAST...
September 14, 2023: European Radiology
https://read.qxmd.com/read/37707547/to-shield-or-not-to-shield-shielding-may-have-unintended-effects-on-patient-dose-in-ct
#10
JOURNAL ARTICLE
Heli Riitta Sinikka Larjava, Chibuzor T M Eneh, Hannele M Niiniviita
OBJECTIVES: The aim of the patient out-of-plane shield is to reduce the patient radiation dose. Its effect on tube current modulation was evaluated with the out-of-plane shield visible in the localizer but absent in the scan range in chest CT with different CT scanners. METHODS: An anthropomorphic phantom was scanned with six different CT scanners from three different vendors. The chest was first scanned without any shielding, and then with the out-of-plane shield within the localizer but outside the imaged volume...
September 14, 2023: European Radiology
https://read.qxmd.com/read/37704855/semiquantitative-index-of-symptomatic-minor-instability-of-the-lateral-elbow-at-ct-arthrography-smile-index-clinical-applicability-and-reproducibility-study
#11
JOURNAL ARTICLE
Andrea Zagarella, Gianluca Folco, Caterina Beatrice Monti, Aldo Rizzo, Paolo Arrigoni, Valeria Vismara, Simone Cassin, Mauro Battista Gallazzi
OBJECTIVE: To assess the applicability of a semiquantitative index for symptomatic minor instability of the lateral elbow (SMILE). MATERIALS AND METHODS: CT arthrograms of consecutive patients with lateral elbow pain who underwent ultrasound-guided CT arthrography at our orthopedic center between April 2019 and May 2022 were included. Images were acquired at 100 kVp and 80 mAs. An expert radiologist (R1) and a radiology resident (R2) retrospectively performed an independent, blinded evaluation of the arthrograms to assess the presence of imaging findings suggestive of elbow instability...
September 13, 2023: European Radiology
https://read.qxmd.com/read/37696974/meta-research-how-many-diagnostic-or-prognostic-models-published-in-radiological-journals-are-evaluated-externally
#12
JOURNAL ARTICLE
Maira Hameed, Jason Yeung, Darren Boone, Sue Mallett, Steve Halligan
OBJECTIVES: Prognostic and diagnostic models must work in their intended clinical setting, proven via "external evaluation", preferably by authors uninvolved with model development. By systematic review, we determined the proportion of models published in high-impact radiological journals that are evaluated subsequently. METHODS: We hand-searched three radiological journals for multivariable diagnostic/prognostic models 2013-2015 inclusive, developed using regression...
September 12, 2023: European Radiology
https://read.qxmd.com/read/37691080/quantitative-information-from-gadobenate-dimeglumine-enhanced-mri-can-predict-proliferative-subtype-of-solitary-hepatocellular-carcinoma-a-multicenter-retrospective-study
#13
JOURNAL ARTICLE
Feier Ding, Min Huang, Ping Ren, Junlei Zhang, Zhengyu Lin, Yan Sun, Changhu Liang, Xinya Zhao
OBJECTIVES: To investigate the value of quantitative parameters derived from gadobenate dimeglumine-enhanced magnetic resonance imaging (MRI) for predicting molecular subtype of hepatocellular carcinoma (HCC) and overall survival. METHODS: This multicenter retrospective study included 218 solitary HCC patients who underwent gadobenate dimeglumine-enhanced MRI. All HCC lesions were resected and pathologically confirmed. The lesion-to-liver contrast enhancement ratio (LLCER) and lesion-to-liver contrast (LLC) were measured in the hepatobiliary phase...
September 11, 2023: European Radiology
https://read.qxmd.com/read/37691079/longitudinal-mr-based-proton-density-fat-fraction-pdff-and-t2-for-the-assessment-of-associations-between-bone-marrow-changes-and-myelotoxic-chemotherapy
#14
JOURNAL ARTICLE
Felix G Gassert, Julia Kranz, Florian T Gassert, Benedikt J Schwaiger, Christian Bogner, Marcus R Makowski, Leander Glanz, Jonathan Stelter, Thomas Baum, Rickmer Braren, Dimitrios C Karampinos, Alexandra S Gersing
OBJECTIVES: MR imaging-based proton density fat fraction (PDFF) and T2* imaging has shown to be useful for the evaluation of degenerative changes in the spine. Therefore, the aim of this study was to investigate the influence of myelotoxic chemotherapy on the PDFF and T2* of the thoracolumbar spine in comparison to changes in bone mineral density (BMD). METHODS: In this study, 19 patients were included who had received myelotoxic chemotherapy (MC) and had received a MR imaging scan of the thoracolumbar vertebrates before and after the MC...
September 11, 2023: European Radiology
https://read.qxmd.com/read/37688618/low-dose-liver-ct-image-quality-and-diagnostic-accuracy-of-deep-learning-image-reconstruction-algorithm
#15
JOURNAL ARTICLE
Damiano Caruso, Domenico De Santis, Antonella Del Gaudio, Gisella Guido, Marta Zerunian, Michela Polici, Daniela Valanzuolo, Dominga Pugliese, Raffaello Persechino, Antonio Cremona, Luca Barbato, Andrea Caloisi, Elsa Iannicelli, Andrea Laghi
OBJECTIVES: To perform a comprehensive within-subject image quality analysis of abdominal CT examinations reconstructed with DLIR and to evaluate diagnostic accuracy compared to the routinely applied adaptive statistical iterative reconstruction (ASiR-V) algorithm. MATERIALS AND METHODS: Oncologic patients were prospectively enrolled and underwent contrast-enhanced CT. Images were reconstructed with DLIR with three intensity levels of reconstruction (high, medium, and low) and ASiR-V at strength levels from 10 to 100% with a 10% interval...
September 9, 2023: European Radiology
https://read.qxmd.com/read/37673964/comparison-between-ct-volumetry-technetium-99m-galactosyl-serum-albumin-scintigraphy-and-gadoxetic-acid-enhanced-mri-to-estimate-the-liver-fibrosis-stage-in-preoperative-patients
#16
JOURNAL ARTICLE
Yujiro Nakazawa, Masahiro Okada, Tomoko Hyodo, Kenichiro Tago, Kazu Shibutani, Mariko Mizuno, Hiroki Yoshikawa, Hayato Abe, Tokio Higaki, Yukiyasu Okamura, Tadatoshi Takayama
OBJECTIVES: To compare the efficacy of computed tomography volumetry (CTV), technetium99m galactosyl-serum-albumin (99m Tc-GSA) scintigraphy, and gadolinium-ethoxybenzyl-diethylenetriamine-pentaacetic-acid-enhanced MRI (EOB-MRI) in estimating the liver fibrosis (LF) stage in patients undergoing liver resection. METHODS: This retrospective study included 91 consecutive patients who had undergone preoperative dynamic CT and 99m Tc-GSA scintigraphy. EOB-MRI was performed in 76 patients...
September 7, 2023: European Radiology
https://read.qxmd.com/read/37673963/assessment-of-the-glymphatic-function-in-children-with-attention-deficit-hyperactivity-disorder
#17
JOURNAL ARTICLE
Yingqian Chen, Miaomiao Wang, Shu Su, Yan Dai, Mengsha Zou, Liping Lin, Long Qian, Xianjun Li, Hongyu Zhang, Meina Liu, Jianping Chu, Jian Yang, Zhiyun Yang
OBJECTIVES: Whether the alternation of the glymphatic system exists in neurodevelopmental disease still remains unclear. In this study, we investigated structural and functional changes in the glymphatic system in the treatment-naïve attention-deficit/hyperactivity disorder (ADHD) children by quantitatively measuring the Virchow-Robin spaces (VRS) volume and diffusion tensor image-analysis along the perivascular space (DTI-ALPS). METHODS: Forty-seven pediatric ADHD patients and 52 age- and gender-matched typically developing (TD) children were recruited in this prospective study...
September 6, 2023: European Radiology
https://read.qxmd.com/read/37673962/when-the-interventional-radiologist-competes-with-the-orthopaedic-surgeon
#18
EDITORIAL
Frédéric Deschamps
No abstract text is available yet for this article.
September 6, 2023: European Radiology
https://read.qxmd.com/read/37672060/can-a-ct-based-nomogram-predict-recurrence-in-resectable-pancreatic-body-and-tail-adenocarcinoma
#19
EDITORIAL
Giorgia Porrello
No abstract text is available yet for this article.
September 6, 2023: European Radiology
https://read.qxmd.com/read/37672059/ultra-high-resolution-photon-counting-ct-plus-ultra-in-lung-imaging
#20
EDITORIAL
Ruxandra-Iulia Milos
No abstract text is available yet for this article.
September 6, 2023: European Radiology
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