Yishu Deng, Yingying Huang, Bingzhong Jing, Haijun Wu, Wenze Qiu, Haohua Chen, Bin Li, Xiang Guo, Chuanmiao Xie, Ying Sun, Xianhua Dai, Xing Lv, Chaofeng Li, Liangru Ke
OBJECTIVES: Accuracy in the detection of recurrent nasopharyngeal carcinoma (NPC) on follow-up magnetic resonance (MR) scans needs to be improved. MATERIAL AND METHODS: A total of 5 035 follow-up MR scans from 5 035 survivors with treated NPC between April 2007 and July 2020 were retrospectively collected from three cancer centers for developing and evaluating the deep learning (DL) model MODERN (MR-based Deep learning model for dEtecting Recurrent Nasopharyngeal carcinoma)...
September 14, 2023: European Journal of Radiology
Enis C Yilmaz, Stephanie A Harmon, Mason J Belue, Katie M Merriman, Tim E Phelps, Yue Lin, Charisse Garcia, Lindsey Hazen, Krishnan R Patel, Maria J Merino, Bradford J Wood, Peter L Choyke, Peter A Pinto, Deborah E Citrin, Baris Turkbey
OBJECTIVE: To evaluate a biparametric MRI (bpMRI)-based artificial intelligence (AI) model for the detection of local prostate cancer (PCa) recurrence in patients with radiotherapy history. MATERIALS AND METHODS: This study included post-radiotherapy patients undergoing multiparametric MRI and subsequent MRI/US fusion-guided and/or systematic biopsy. Histopathology results were used as ground truth. The recurrent cancer detection sensitivity of a bpMRI-based AI model, which was developed on a large dataset to primarily identify lesions in treatment-naïve patients, was compared to a prospective radiologist assessment using the Wald test...
September 13, 2023: European Journal of Radiology
Francesca Lo Piccolo, Daniel Hinck, Martin Segeroth, Jonathan Sperl, Joshy Cyriac, Shan Yang, Saikiran Rapaka, Jens Bremerich, Alexander W Sauter, Maurice Pradella
PURPOSE/OBJECTIVE: Reliable detection of thoracic aortic dilatation (TAD) is mandatory in clinical routine. For ECG-gated CT angiography, automated deep learning (DL) algorithms are established for diameter measurements according to current guidelines. For non-ECG gated CT (contrast enhanced (CE) and non-CE), however, only a few reports are available. In these reports, classification as TAD is frequently unreliable with variable result quality depending on anatomic location with the aortic root presenting with the worst results...
September 12, 2023: European Journal of Radiology
Hannah Fleming, Adriano Basso Dias, Nancy Talbot, Xuan Li, Kateri Corr, Masoom A Haider, Sangeet Ghai
PURPOSE: To assess the inter-reader reproducibility of the Prostate Imaging Quality (PI-QUAL) score between readers with varying clinical experience and its reproducibility at assessing imaging quality between different institutions. METHODS: Following IRB approval, we assessed 60 consecutive prostate MRI scans performed at different academic teaching and non-academic hospitals uploaded to our institutes' PACS for second opinion or discussion in case conferences...
September 9, 2023: European Journal of Radiology
Yihao Chen, Cheng Jiang, Jianbo Chang, Chenchen Qin, Qinghua Zhang, Zeju Ye, Zhaojian Li, Fengxuan Tian, Wenbin Ma, Ming Feng, Junji Wei, Jianhua Yao, Renzhi Wang
PURPOSE: The prognosis following a hemorrhagic stroke is usually extremely poor. Rating scales have been developed to predict the outcomes of patients with intracerebral hemorrhage (ICH). To date, however, the prognostic prediction models have not included the full range of relevant imaging features. We constructed a clinic-imaging fusion model based on convolutional neural networks (CNN) to predict the short-term prognosis of ICH patients. MATERIALS AND METHODS: This was a multi-center retrospective study, which included 1990 patients with ICH...
September 9, 2023: European Journal of Radiology
Yamuhanmode Alike, Cheng Li, Jingyi Hou, Yi Long, Zongda Zhang, Mengjie Ye, Rui Yang
BACKGROUND: The Critical Shoulder Angle Related Acromion Morphological Parameter (CSA- RAMP) is a valuable tool in the analyzing the etiology of the rotator cuff tears (RCTs). However, its clinical application has been limited by the time-consuming and prone to inter- and intra-user variability of the measurement process. OBJECTIVES: To develop and validate a deep learning algorithm for fully automated assessment of shoulder anteroposterior radiographs associated with RCTs and calculation of CSA-RAMP...
September 9, 2023: European Journal of Radiology
Yanyan Zhu, Lili Yang, Meng Wang, Junhan Pan, Yanci Zhao, Huizhen Huang, Ke Sun, Feng Chen
OBJECTIVE: To estimate the potential of preoperative MRI features in the prediction of the integration patterns of vessels that encapsulate tumor clusters (VETC) and microvascular invasion (MVI) (VM) patterns in hepatocellular carcinoma (HCC) patients after resection and to assess the prognostic value of VM patterns. MATERIALS AND METHODS: Patients who underwent surgical resection for HCC between July 2019 and July 2020 were retrospectively included in the training cohort and validation cohort...
September 9, 2023: European Journal of Radiology
Burak Kocak, Sabahattin Yuzkan, Samet Mutlu, Elif Bulut, Irem Kavukoglu
PURPOSE: To investigate the quality of reporting in radiomics research, with a focus on the most basic technical parameters. METHODS: A PubMed literature search was conducted to identify original studies on radiomics (last search: January 2, 2023). Following a sample size calculation with an a priori power analysis, a random sample of the radiomic literature was collected. In addition to baseline characteristics, the key aspects of radiomic software, resampling, and discretization were evaluated...
September 9, 2023: European Journal of Radiology
Ke Zhang, Lei Mu, Yiyue Ren, Tianan Jiang
PURPOSE: To compare the long-term survival benefits of hepatocellular carcinoma (HCC) in thermal ablation (TA) monotherapy and TA combined with transarterial chemoembolization (TACE) using propensity score matching (PSM). MATERIALS AND METHODS: Between 1 January 2015 and 28 February 2021, 432 consecutive patients (357 men, 75 women; age range, 20-87 years) with HCC (Barcelona Clinic Liver Cancer stage 0-B) underwent ultrasonography-guided percutaneous TA, which included radiofrequency ablation (n = 340) and microwave ablation (n = 92)...
September 9, 2023: European Journal of Radiology
Xiaoyu Wang, Xiaoting Luo, Haitao Pan, Xiaoyang Wang, Shangwen Xu, Hui Li, Zhiping Lin
PURPOSE: Preoperative identification of hippocampal sclerosis (HS) is crucial to successful surgery for mesial temporal lobe epilepsy (MTLE). We aimed to investigate the diagnostic performance of hippocampal radiomics models based on T2 fluid-attenuated inversion recovery (FLAIR) images in MTLE with HS. METHODS: We analysed 210 cases, including 172 HS pathology-confirmed cases (100 magnetic resonance imaging [MRI]-positive cases [MRI + HS], 72 MRI-negative HS cases [MRI - HS]), and 38 healthy controls (HC)...
September 9, 2023: European Journal of Radiology
Vera Sorin, Shelly Soffer, Benjamin S Glicksberg, Yiftach Barash, Eli Konen, Eyal Klang
PURPOSE: The growing application of deep learning in radiology has raised concerns about cybersecurity, particularly in relation to adversarial attacks. This study aims to systematically review the literature on adversarial attacks in radiology. METHODS: We searched for studies on adversarial attacks in radiology published up to April 2023, using MEDLINE and Google Scholar databases. RESULTS: A total of 22 studies published between March 2018 and April 2023 were included, primarily focused on image classification algorithms...
September 9, 2023: European Journal of Radiology
T J A van Nijnatten, N R Payne, S E Hickman, H Ashrafian, F J Gilbert
Accumulating evidence from retrospective studies demonstrate at least non-inferior performance when using AI algorithms with different strategies versus double-reading in mammography screening. In addition, AI algorithms for mammography screening can reduce work load by moving to single human reading. Prospective trials are essential to avoid unintended adverse consequences before incorporation of AI algorithms into UK's National Health Service (NHS) Breast Screening Programme (BSP). A stakeholders' meeting was organized in Newnham College, Cambridge, UK to undertake a review of the current evidence to enable consensus discussion on next steps required before implementation into a screening programme...
September 8, 2023: European Journal of Radiology
Dandan Wang, Linhan Zhang, Zhongqi Sun, Huijie Jiang, Jinfeng Zhang
PURPOSE: Identifying robust prognosis and treatment efficiency predictive biomarkers of hepatocellular carcinoma (HCC) is challenging. The purpose of this study is to develop a radiomics approach for predicting the overall survival (OS) based on pretreatment CT images and to explore the radiomic-associated key genes. METHODS: Patients with pathologically or clinically proven HCC from three data sets were retrospectively included in this study. The institute internal data that received transarterial chemoembolization (TACE) treatment was used as the training set to construct the radiomics signature to predict OS by the least absolute shrinkage and selection operator COX (LASSO-COX) regression algorithms...
September 6, 2023: European Journal of Radiology
Riccardo Lencioni, Salvatore Claudio Fanni, Riccardo Morganti, Maria Febi, Ilaria Ambrosini, Carmelo De Gori, Caterina Aida D'Amore, Luciana Bruni, Giulia D'Agostino, Alessio Milazzo, Gianluca Guerri, Marzia Coppola, Maria Letizia Mazzeo, Dania Cioni, Emanuele Neri
PURPOSE: The objective of this study was to assess the inappropriateness rate of oncological follow-up CT examinations. METHODS: Out of 7.000 oncology patients referred for follow-up CT examinations between March and October 2022, a random sample of 10 % was included. Radiology residents assessed the appropriateness using the Italian Society of Medical Oncology (AIOM) guidelines, supervised by senior radiologists. Association between inappropriateness and clinical variables was investigated and variables influencing inappropriateness were analyzed through a binary logistic regression...
September 4, 2023: European Journal of Radiology
Charlotte Vanhoenacker, Eva Hufkens, Annouschka Laenen, Lawrence Bonne, Eveline Claus, Jo Peluso, Ingrid Demedts, Wim Laleman, Alexander Wilmer, Geert Maleux
No abstract text is available yet for this article.
September 3, 2023: European Journal of Radiology
Åsne Sørlien Holen, Marie Burns Bergan, Christoph I Lee, Sophia Zackrisson, Nataliia Moshina, Hildegunn Siv Aase, Ingfrid Salvesen Haldorsen, Solveig Hofvind
PURPOSE: To describe and compare early screening outcomes before, during and after a randomized controlled trial with digital breast tomosynthesis (DBT) including synthetic 2D mammography versus standard digital mammography (DM) (To-Be 1) and a follow-up cohort study using DBT (To-Be 2). METHODS: Retrospective results of 125,020 screening examinations from four consecutive screening rounds performed in 2014-2021 were described and compared for pre-To-Be 1 (DM), To-Be 1 (DM or DBT), To-Be 2 (DBT), and post-To-Be 2 (DM) cohorts...
September 1, 2023: European Journal of Radiology
Himanshu Kumar Sharma, Christopher Kyriakakos, Tony El Jabbour, Stephen Ward, Michael Buckstein, Bachir Taouli, Sara Lewis
PURPOSE: To describe the longitudinal response in patients with hepatocellular carcinoma (HCC) treated with stereotactic body radiation therapy (SBRT) and who underwent liver transplant (LT) using gadoxetate-enhanced MRI. METHODS: Five men (median age 61y, range 57-64y) with 6 HCCs treated with SBRT (median dose 50 Gy) who subsequently underwent LT were included in this retrospective study. Patients underwent gadoxetate-enhanced MRI before and after SBRT over a period of 3-18 months...
September 1, 2023: European Journal of Radiology
Sascha Daniel, Markus Kopp, Thomas Vollbrecht, Martin Zeilinger, Tim Fitz, Armin Muttke, Ute Feuerlein, Michael Uder, Matthias S May
OBJECTIVES: This study evaluates the impact of a scanner-integrated, customized clinical decision support system (CDSS) on the acquisition technique, scan range, and reconstruction in thoracoabdominal CT. MATERIALS AND METHODS: We applied CDSS in contrast-enhanced examinations of the trunk with various clinical indications on a recent scanner with the capability of dual-energy CT (DECT), anatomic landmark detection (ALD), and iterative metal-artifact reduction (MAR)...
September 1, 2023: European Journal of Radiology
Xue Chen, Zhou Huang, Xiaojuan Wu, Shuting Han, Peng Wu, Yonggang Li
PURPOSE: The neural pathophysiology underlying primary dysmenorrhea (PDM), which leads to poor mode and changes in central pain modulatory systems, remains largely unknown. The objective of this study was to investigate the changes in glutamate/glutamine (Glx) and gamma-aminobutyric acid (GABA+) levels within anterior cingulate cortex (ACC), and their associations with clinical indicators in PDM women. METHODS: Using 3 T proton magnetic resonance spectroscopy (1 H-MRS), we acquired and compared ACC-Glx and ACC-GABA+ levels in PDMs (N = 41) and age- and education-matched healthy controls (HCs) (N = 39) during both the menstrual and periovulatory phases, and between menstrual and periovulatory phases within each group...
September 1, 2023: European Journal of Radiology
Youness Hassoun, Anhum Konan, Gabriel Simon, Pierre Verdot, Zaher Lakkis, Romaric Loffroy, Guillaume Besch, Gael Piton, Eric Delabrousse, Paul Calame
PURPOSE: To assess the predictive value of combining CT and clinical findings for predicting 10-day mortality in critically ill patients in shock. MATERIALS AND METHODS: From January 1, 2018, to December 31, 2021, 289 consecutives critically ill patients in shock who underwent a contrast enhanced CT were included. Variables at the time of the CT were retrospectively extracted from medical charts. CT examinations were blindly analyzed by two independent radiologists...
September 1, 2023: European Journal of Radiology
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