Israel Cohen, Vera Sorin, Ruth Lekach, Daniel Raskin, Maria Segev, Eyal Klang, Iris Eshed, Yiftach Barash
BACKGROUND: Traumatic knee injuries are challenging to diagnose accurately through radiography and to a lesser extent, through CT, with fractures sometimes overlooked. Ancillary signs like joint effusion or lipo-hemarthrosis are indicative of fractures, suggesting the need for further imaging. Artificial Intelligence (AI) can automate image analysis, improving diagnostic accuracy and help prioritizing clinically important X-ray or CT studies. OBJECTIVE: To develop and evaluate an AI algorithm for detecting effusion of any kind in knee X-rays and selected CT images and distinguishing between simple effusion and lipo-hemarthrosis indicative of intra-articular fractures...
April 10, 2024: European Journal of Radiology
Teodoro Martín-Noguerol, Pilar López-Úbeda, Antonio Luna
The integration of AI in radiology raises significant legal questions about responsibility for errors. Radiologists fear AI may introduce new legal challenges, despite its potential to enhance diagnostic accuracy. AI tools, even those approved by regulatory bodies like the FDA or CE, are not perfect, posing a risk of failure. The key issue is how AI is implemented: as a stand-alone diagnostic tool or as an aid to radiologists. The latter approach could reduce undesired side effects. However, it's unclear who should be held liable for AI failures, with potential candidates ranging from engineers and radiologists involved in AI development to companies and department heads who integrate these tools into clinical practice...
April 10, 2024: European Journal of Radiology
Huan Jiang, ShuJun Xia, YiXuan Yang, JiaLe Xu, Qing Hua, ZiHan Mei, YiQing Hou, MinYan Wei, LiMei Lai, Ning Li, YiJie Dong, JianQiao Zhou
PURPOSE: The importance of structured radiology reports has been fully recognized, as they facilitate efficient data extraction and promote collaboration among healthcare professionals. Our purpose is to assess the accuracy and reproducibility of ChatGPT, a large language model, in generating structured thyroid ultrasound reports. METHODS: This is a retrospective study that includes 184 nodules in 136 thyroid ultrasound reports from 136 patients. ChatGPT-3.5 and ChatGPT-4...
April 9, 2024: European Journal of Radiology
Sonaz Malekzadeh, Roberto Cannella, Ian Fournier, Philippe Hiroz, Christian Mottet, Christophe Constantin, Lucien Widmer
PURPOSE: To assess the diagnostic value of abbreviated protocol (AP) MRI to detect the degeneration signs in branch-duct intraductal papillary mucinous neoplasms (BD-IPMNs) in patients undergoing a routine MRI follow-up. METHODS: This dual-center retrospective study include patients with BD-IPMN diagnosed on initial comprehensive protocol (CP) MRI who underwent routine MRI follow-up. CP included axial and coronal T2-weighted images (T2WI), axial T1-weighted images (T1WI) before and after contrast administration, 3D MR cholangiopancreatography (MRCP) and diffusion-weighted images (DWI)...
April 6, 2024: European Journal of Radiology
Benjamin P Sugar, Jerry M Thomas, Bryce D Beutler, Thomas G Clifford, Hisham Tchelepi
Contrast-enhanced ultrasound (CEUS) has emerged as a promising imaging modality for the characterization of hepatic and renal lesions. However, there is a paucity of data describing the use of CEUS for the evaluation of intra-scrotal pathology. In the following review, we describe the clinical utility of CEUS for the characterization and differentiation of common and uncommon intra-scrotal conditions, including testicular torsion, infection, trauma, and benign and malignant intratesticular and extratesticular neoplasms...
April 6, 2024: European Journal of Radiology
Gauraang Bhatnagar, Sue Mallett, Richard Beable, Rebecca Greenhalgh, Rajapandian Ilangovan, Hannah Lambie, Evgenia Mainta, Uday Patel, François Porté, Harbir Sidhu, Arun Gupta, Anthony Higginson, Andrew Slater, Damian Tolan, Ian Zealley, Steve Halligan, Stuart A Taylor
OBJECTIVES: To evaluate the additional diagnostic benefit of diffusion weighted imaging (DWI) and contrast enhanced (CE) images during MR enterography (MRE) of Crohn's disease. METHODS: Datasets from 73 patients (mean age 32; 40 male) (28 new-diagnosis, 45 relapsed) were read independently by two radiologists selected from a pool of 13. Radiologists interpreted datasets using three sequential sequence blocks: (1) T2 weighted and steady state free precession gradient echo (SSFP) images alone (T2^); (2) T2 weighted and SSFP images with DWI (T2 + DWI^) and; (3) T2 weighted images, SSFP, DWI and post-contrast enhanced (CE) T1 images (T2 + DWI + CE^), documenting presence, location, and activity of small bowel disease...
April 5, 2024: European Journal of Radiology
Mengmeng Qu, Wen Feng, Xinran Liu, Zhifan Li, Yixiang Li, Xingru Lu, Junqiang Lei
OBJECTIVE: To investigate the potential value of quantitative parameters derived from synthetic magnetic resonance imaging (syMRI) for discriminating axillary lymph nodes metastasis (ALNM) in breast cancer patients. MATERIALS AND METHODS: A total of 56 females with histopathologically proven invasive breast cancer who underwent both conventional breast MRI and additional syMRI examinations were enrolled in this study, including 30 patients with ALNM and 26 with non-ALNM...
April 4, 2024: European Journal of Radiology
Yuxue Xie, Xiangwen Li, Yiwen Hu, Changyan Liu, Haoyu Liang, Dominik Nickel, Caixia Fu, Shuang Chen, Hongyue Tao
PURPOSE: To evaluate a deep learning reconstruction for turbo spin echo (DLR-TSE) sequence of ankle magnetic resonance imaging (MRI) in terms of acquisition time, image quality, and lesion detectability by comparing with conventional TSE. METHODS: Between March 2023 and May 2023, patients with an indication for ankle MRI were prospectively enrolled. Each patient underwent a conventional TSE protocol and a prospectively undersampled DLR-TSE protocol. Four experienced radiologists independently assessed image quality using a 5-point scale and reviewed structural abnormalities...
April 3, 2024: European Journal of Radiology
Florian Haag, Nils Große Hokamp, Daniel Overhoff, Giridhar Dasegowda, Mustafa Kuru, Dominik Nörenberg, Stefan O Schoenberg, Mannudeep K Kalra, Matthias F Froelich
PURPOSE: Aim of the recent study is to point out a method to optimize quality of CT scans in oncological patients with port systems. This study investigates the potential of photon counting computed tomography (PCCT) for reduction of beam hardening artifacts caused by port-implants in chest imaging by means of spectral reconstructions. METHOD: In this retrospective single-center study, 8 ROIs for 19 spectral reconstructions (polyenergetic imaging, monoenergetic reconstructions from 40 to 190 keV as well as iodine maps and virtual non contrast (VNC)) of 49 patients with pectoral port systems undergoing PCCT of the chest for staging of oncologic disease were measured...
March 29, 2024: European Journal of Radiology
Junfei Li, Yijing Wang, Xuesong Zhang, Mengfei Wu, Ming Wang, Ranxu Zhang, Tao Wu, Ping Zhang, Jian Zhao
PURPOSE: Calf muscles play an important role in marathon race, and the incidence of injury is high in this process. This study prospectively quantified diffusion tensor metrics, muscle fat fraction (MFF) and cross-sectional area (CSA) of calf muscles induced by endurance exercise in amateur marathoners, and the potential mechanisms underlying the changes in these parameters were analyzed. METHOD: In this prospective study, 35 marathoners (27 males, 8 females; mean age (standard deviation, SD), 38...
March 28, 2024: European Journal of Radiology
Zhiqiang Chen, Zhuo Wang, Shili Liu, Shaoru Zhang, Yunshu Zhou, Ruodi Zhang, Wenjun Yang
OBJECTIVE: To establish nomograms integrating multiparametric MRI radiomics with clinical-radiological features to identify the responders and non-responders to induction chemotherapy (ICT) in nasopharyngeal carcinoma (NPC). METHODS: We retrospectively analyzed the clinical and MRI data of 168 NPC patients between December 2015 and April 2022. We used 3D-Slicer to segment the regions of interest (ROIs) and the "Pyradiomic" package to extract radiomics features. We applied the least absolute shrinkage and selection operator regression to select radiomics features...
March 26, 2024: European Journal of Radiology
Sang Lim Choi, Dong Il Gwon, Gun Ha Kim, Sung Won Kim, Chang Hoon Oh, Gi-Young Ko
PURPOSE: To investigate the safety and efficacy of large-bore uncovered stents for treating malignant superior vena cava syndrome. METHODS: This retrospective study included 115 patients (89 men, 26 women; mean age 63.2 years; range 21-83 years) who underwent endovascular large-bore (≥18 mm in diameter) uncovered stent placement between August 2015 and July 2022. One patient was lost to follow-up. Therefore, 114 patients were available for follow-up...
March 25, 2024: European Journal of Radiology
Shenglin Li, Xinmei Yang, Ting Lu, Long Yuan, Yuting Zhang, Jun Zhao, Juan Deng, Caiqiang Xue, Qiu Sun, Xianwang Liu, Wenjuan Zhang, Junlin Zhou
OBJECTIVE: To assess the prognostic value of pre- and post-therapeutic changes in extracellular volume (ECV) fraction of liver metastases (LMs) for treatment response (TR) and survival outcomes in colorectal cancer liver metastases (CRLM). METHODS: 186 LMs were confirmed by pathology or follow-up (Training: 130; Test: 56). We analyzed the changes in ECV fraction of LMs before and after 2 cycles of chemotherapy combined with bevacizumab. After 12 cycles, we evaluated the TR on LMs based on the RECIST v1...
March 25, 2024: European Journal of Radiology
Hui Wang, Bas H M van der Velden, Erik Verburg, Marije F Bakker, Ruud M Pijnappel, Wouter B Veldhuis, Carla H van Gils, Kenneth G A Gilhuijs
OBJECTIVES: Background parenchymal enhancement (BPE) on dynamic contrast-enhanced MRI (DCE-MRI) as rated by radiologists is subject to inter- and intrareader variability. We aim to automate BPE category from DCE-MRI. METHODS: This study represents a secondary analysis of the Dense Tissue and Early Breast Neoplasm Screening trial. 4553 women with extremely dense breasts who received supplemental breast MRI screening in eight hospitals were included. Minimal, mild, moderate and marked BPE rated by radiologists were used as reference...
March 24, 2024: European Journal of Radiology
Yoshifumi Noda, Masashi Asano, Nobuyuki Kawai, Tetsuro Kaga, Kimihiro Kajita, Johannes M Peeters, Yu Ueda, Masatoshi Honda, Yukiko Takai, Akio Ito, Fuminori Hyodo, Hiroki Kato, Masayuki Matsuo
PURPOSE: To evaluate the feasibility of a free-breathing sequence (4D FreeBreathing) combined with Compressed SENSE in dynamic contrast-enhanced pancreatic MRI and compare it with a breath-holding sequence (eTHRIVE). METHOD: Patients who underwent pancreatic MRI, either eTHRIVE or 4D FreeBreathing, from April 2022 to November 2023 were included in this retrospective study. Two radiologists, who were unaware of the scan sequence, independently and randomly reviewed the images at the precontrast, pancreatic, portal venous, and equilibrium phases and assigned confidence scores for motion and streaking artifacts, pancreatic sharpness, and overall image quality using a 5-point scale...
March 24, 2024: European Journal of Radiology
Xiu-Yun Lu, Jun Jiang, Sheng Chen, Yi-Jie Qiu, Ying Wang, Juan Cheng, Xin-Liang Xu, Yi Dong, Wen-Ping Wang
OBJECTIVE: To evaluate the value of dynamic contrast-enhanced ultrasound (DCE-US) analysis in early prediction of tumor response to systemic treatment in patients with intrahepatic cholangiocarcinoma (ICC). PATIENTS & METHODS: In this retrospective study, patients diagnosed with ICC by core needle biopsy and histopathological results were included. All patients were diagnosed as advanced stages (stage III/IV) by the 8th edition of the American Joint Committee on Cancer (AJCC)/International Union Against Cancer (UICC) TNM staging system...
March 23, 2024: European Journal of Radiology
Hee Jeong Kim, Hee Jung Shin, Seunghee Baek, Chae Woon Lee, Woo Jung Choi, Eun Young Chae, Joo Hee Cha, Hak Hee Kim, Woo Kyung Moon
PURPOSE: To compare the performance of mammography, high-resolution DW-MRI, DCE-MRI, and their combinations in detecting clinically occult breast cancer in women with dense breasts. METHOD: 544 breasts from 281 consecutive asymptomatic women with dense breasts were retrospectively identified. They underwent breast MRI for preoperative evaluation of breast cancers (n = 214) or as supplemental screening (n = 67) including DCE-MRI and DW-MRI (b values, 0 and 1000 sec/mm2 ; in-plane resolution, 1...
March 22, 2024: European Journal of Radiology
Changhao Sun, Yuxin Chen, Zhiling Gao, Longyun Wu, Rong Lu, Chaoyun Zhao, Hao Yang, Yong Chen
OBJECTIVE: To evaluate the safety and efficacy of genicular artery embolization (GAE) in patients with mild-to-severe knee osteoarthritis up to 12 months after GAE. MATERIALS & METHODS: This prospective single-center study included patients who had knee osteoarthritis for >1 year with moderate-to-severe pain after failed conservative treatment for >6 months. Baseline imaging features were evaluated to determine Kellgren-Lawrence (KL) grade and magnetic resonance imaging (MOAKS) scores...
March 22, 2024: European Journal of Radiology
Xiaorui Han, Zhengze Gong, Yuan Guo, Wenjie Tang, Xinhua Wei
RATIONALE AND OBJECTIVES: Breast cancer progression and treatment response are significantly influenced by the tumor microenvironment (TME). Traditional methods for assessing TME are invasive, posing a challenge for patient care. This study introduces a non-invasive approach to TME classification by integrating radiomics and machine learning, aiming to predict the TME status using imaging data, thereby aiding in prognostic outcome prediction. MATERIALS AND METHODS: Utilizing multi-omics data from The Cancer Genome Atlas (TCGA) and The Cancer Imaging Archive (TCIA), this study employed CIBERSORT and MCP-counter algorithms analyze immune infiltration in breast cancer...
March 22, 2024: European Journal of Radiology
Eun Ji Lee, Yun-Woo Chang
PURPOSE: To investigate whether multiparametric parameters of pretreatment breast ultrasound (US) and clinicopathologic factors are associated with pathologic complete response (pCR) after neoadjuvant chemotherapy (NAC) for breast cancer. METHODS: Between November 2018 and September 2022, 88 patients who underwent NAC and subsequent surgery were included in this study (median age, 55 years; interquartile range [IQR], 45, 59.3). Multiparametric breast US including grayscale, shear wave elastography (SWE) and superb microvascular imaging (SMI) of pathologically proven invasive breast cancers were retrospectively reviewed...
March 21, 2024: European Journal of Radiology
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