Articles

Computed tomography features and clinical characteristics of gastritis cystica profunda

The diagnostic evidence of gastritis cystica profunda (GCP) are not adequately described due to its extremely low morbidity. This study aimed to analyze and summarize the comprehensive CT features and clinical...

Authors: Rui Wang, Hao Lu, Juan Yu, Wenpeng Huang, Jing Li, Ming Cheng, Pan Liang, Liming Li, Huiping Zhao and Jianbo Gao

Adhesion-related small bowel obstruction: deep learning for automatic transition-zone detection by CT

To train a machine-learning model to locate the transition zone (TZ) of adhesion-related small bowel obstruction (SBO) on CT scans.

Authors: Quentin Vanderbecq, Roberto Ardon, Antoine De Reviers, Camille Ruppli, Axel Dallongeville, Isabelle Boulay-Coletta, Gaspard D’Assignies and Marc Zins

Utilisation of virtual non-contrast images and virtual mono-energetic images acquired from dual-layer spectral CT for renal cell carcinoma: image quality and radiation dose

Renal cell carcinoma (RCC) is the most common renal malignant tumour. We evaluated the potential value and dose reduction of virtual non-contrast (VNC) images and virtual monoenergetic images (VMIs) from dual-...

Authors: Xiaoxiao Zhang, Gumuyang Zhang, Lili Xu, Xin Bai, Xiaomei Lu, Shenghui Yu, Hao Sun and Zhengyu Jin

A proposed magnetic resonance imaging grading system for the spectrum of central neonatal parasagittal hypoxic–ischaemic brain injury

To describe the spectrum of parasagittal injury on MRI studies performed on children following severe perinatal term hypoxia–ischaemia, using a novel MRI grading system, and propose a new central pattern corre...

Authors: Shalendra Kumar Misser, Jan Willem Lotz, Stefan-Dan Zaharie, Nobuhle Mchunu, Moherndran Archary and Anthony James Barkovich

Multimodal molecular imaging evaluation for early diagnosis and prognosis of cholangiocarcinoma

Cholangiocarcinoma (CCA) is an aggressive and lethal malignancy with limited therapeutic options. Despite recent advances in diagnostic imaging for CCA, the early diagnosis of CCA and evaluation of tumor invas...

Authors: Jiong Liu, Wen Xiu Ren and Jian Shu

Clinical characteristics and CT features of hepatic epithelioid haemangioendothelioma and comparison with those of liver metastases

To analyse clinical characteristics and computer tomography (CT) findings of hepatic epithelioid haemangioendothelioma (HEH) and to determine differential features compared with liver metastasis (LM).

Authors: Xiaopeng Wang, Pan Liang, Peijie Lv, Rui Li, Ping Hou and Jianbo Gao

Comprehensive analysis of Twitter usage during a major medical conference held virtually versus in-person

Twitter has become one of the most important social media platforms in science communication. During scientific conferences, Twitter can facilitate the communication between audience and speakers present at th...

Authors: Nedim Christoph Beste, Xue Davis, Roman Kloeckner, Erkan Celik, Michael Korenkov, David Maintz, Thomas Dratsch and Daniel Pinto dos Santos

Postmortem brain 7T MRI with minimally invasive pathological correlation in deceased COVID-19 subjects

Brain abnormalities are a concern in COVID-19, so we used minimally invasive autopsy (MIA) to investigate it, consisting of brain 7T MR and CT images and tissue sampling via transethmoidal route with at least ...

Authors: Maria da Graça Morais Martin, Vitor Ribeiro Paes, Ellison Fernando Cardoso, Carlos Eduardo Borges Passos Neto, Cristina Takami Kanamura, Claudia da Costa Leite, Maria Concepcion Garcia Otaduy, Renata Aparecida de Almeida Monteiro, Thais Mauad, Luiz Fernando Ferraz da Silva, Luiz Henrique Martins Castro, Paulo Hilario Nascimento Saldiva, Marisa Dolhnikoff and Amaro Nunes Duarte-Neto

Interstitial lung abnormalities: new insights between theory and clinical practice

Interstitial lung abnormalities (ILAs) represent radiologic abnormalities incidentally detected on chest computed tomography (CT) examination, potentially related to interstitial lung diseases (ILD). Numerous ...

Authors: Roberta Eufrasia Ledda, Gianluca Milanese, Francesca Milone, Ludovica Leo, Maurizio Balbi, Mario Silva and Nicola Sverzellati

CT angiography for the assessment of EVAR complications: a pictorial review

Endovascular aneurysm repair (EVAR) is a minimally invasive treatment proposed as an alternative to open repair in patients with abdominal aortic aneurysms. EVAR consists in a stent-graft placement within the ...

Authors: Cecilia Gozzo, Giovanni Caruana, Roberto Cannella, Arduino Farina, Dario Giambelluca, Ettore Dinoto, Federica Vernuccio, Antonio Basile and Massimo Midiri

Computed tomography in traumatic orbital emergencies: a pictorial essay—imaging findings, tips, and report flowchart

Computed tomography (CT) is considered the gold standard technique for the assessment of trauma patients with suspected involvement of the eye and orbit. These traumas can result in dramatic consequences to vi...

Authors: Michaela Cellina, Maurizio Cè, Sara Marziali, Giovanni Irmici, Daniele Gibelli, Giancarlo Oliva and Gianpaolo Carrafiello

Active pulmonary tuberculosis: something old, something new, something borrowed, something blue

Tuberculosis remains a major global health issue affecting all countries and age groups. Radiology plays a crucial role in the diagnosis and management of pulmonary tuberculosis (PTB). This review aims to impr...

Authors: Maria T. A. Wetscherek, Timothy J. Sadler, Janice Y. J. Lee, Sumit Karia and Judith L. Babar

Features of infective native aortic aneurysms on computed tomography

Infective native aortic aneurysm (INAA) is a rare clinical diagnosis. The purpose of this study was to describe the CT findings of INAAs in detail.

Authors: Warissara Jutidamrongphan, Boonprasit Kritpracha, Karl Sörelius, Keerati Hongsakul and Ruedeekorn Suwannanon

MRI-assessed tumor-free distance to serosa predicts deep myometrial invasion and poor outcome in endometrial cancer

To explore the diagnostic accuracy of preoperative magnetic resonance imaging (MRI)-derived tumor measurements for the prediction of histopathological deep (≥ 50%) myometrial invasion (pDMI) and prognosticatio...

Authors: Julie Andrea Dybvik, Kristine E. Fasmer, Sigmund Ytre-Hauge, Jenny Hild Aase Husby, Øyvind O. Salvesen, Ingunn Marie Stefansson, Camilla Krakstad, Jone Trovik and Ingfrid S. Haldorsen

European consensus on patient contact shielding

Patient contact shielding has been in use for many years in radiology departments in order to reduce the effects and risks of ionising radiation on certain organs. New technologies in projection imaging and CT...

Authors: Peter Hiles, Patrick Gilligan, John Damilakis, Eric Briers, Cristian Candela-Juan, Dario Faj, Shane Foley, Guy Frija, Claudio Granata, Hugo de las Heras Gala, Ruben Pauwels, Marta Sans Merce, Georgios Simantirakis and Eliseo Vano

Does lateral arm technique decrease the rate of clip migration in stereotactic and tomosynthesis-guided biopsies?

Mammography-guided vacuum-assisted biopsies (MGVAB) can be done with stereotaxis or digital breast tomosynthesis guidance. Both methods can be performed with a conventional (CBA) or a lateral arm biopsy approa...

Authors: Olena Weaver, Ethan O. Cohen, Rachel E. Perry, Hilda H. Tso, Kanchan Phalak, Ashmitha Srinivasan, Roland Bassett and Jessica W. T. Leung

Prognostic role of computed tomography-based, artificial intelligence-driven waist skeletal muscle volume in uterine endometrial carcinoma

To investigate the impact of computed tomography (CT)-based, artificial intelligence-driven waist skeletal muscle volume on survival outcomes in patients with endometrial cancer.

Authors: Se Ik Kim, Joo Yeon Chung, Haerin Paik, Aeran Seol, Soon Ho Yoon, Taek Min Kim, Hee Seung Kim, Hyun Hoon Chung, Jeong Yeon Cho, Jae-Weon Kim and Maria Lee

Deep learning approach for automatic segmentation of ulna and radius in dual-energy X-ray imaging

Segmentation of the ulna and radius is a crucial step for the measurement of bone mineral density (BMD) in dual-energy X-ray imaging in patients suspected of having osteoporosis.

Authors: Fan Yang, Xin Weng, Yuehong Miao, Yuhui Wu, Hong Xie and Pinggui Lei

Economic impact of spectral body imaging in diagnosis of patients suspected for occult cancer

Based on prior studies spectral CT has shown a higher sensitivity for malignant lesions than conventional CT at the cost of lower specificity. For the radiologists, it also offers a higher degree of certainty ...

Authors: Michael Brun Andersen, Dyveke Ebbesen, Jesper Thygesen, Matthijs Kruis, Qing Gu, Ekta Dharaiya and Finn Rasmussen

Imaging features of primary sites and metastatic patterns of angiosarcoma

Angiosarcomas are rare, aggressive soft tissue sarcomas originating from endothelial cells of lymphatic or vascular origin and associated with a poor prognosis. The clinical and imaging features of angiosarcom...

Authors: Basrull N. Bhaludin, Khin Thway, Margaret Adejolu, Alexandra Renn, Christian Kelly-Morland, Cyril Fisher, Robin L. Jones, Christina Messiou and Eleanor Moskovic

Lessons learned during implementation of MR-guided High-Intensity Focused Ultrasound treatment of uterine fibroids

Although promising results have been reported for Magnetic Resonance image-guided High-Intensity Focused Ultrasound (MR-HIFU) treatment of uterine fibroids, this treatment is not yet widely implemented in clin...

Authors: K. J. Anneveldt, I. M. Verpalen, I. M. Nijholt, J. R. Dijkstra, R. D. van den Hoed, M. van’t Veer-ten Kate, E. de Boer, J. A. C. van Osch, E. Heijman, H. R. Naber, E. Ista, A. Franx, S. Veersema, J. A. F. Huirne, J. M. Schutte and M. F. Boomsma

Factors affecting the value of diffusion-weighted imaging for identifying breast cancer patients with pathological complete response on neoadjuvant systemic therapy: a systematic review

This review aims to identify factors causing heterogeneity in breast DWI–MRI and their impact on its value for identifying breast cancer patients with pathological complete response (pCR) on neoadjuvant system...

Authors: Kay J. J. van der Hoogt, Robert J. Schipper, Gonneke A. Winter-Warnars, Leon C. ter Beek, Claudette E. Loo, Ritse M. Mann and Regina G. H. Beets-Tan

The impact and challenges of implementing CTCA according to the 2019 ESC guidelines on chronic coronary syndromes: a survey and projection of CTCA services in the Netherlands

The 2019 ESC-guidelines on chronic coronary syndromes (ESC-CCS) recommend computed tomographic coronary angiography (CTCA) or non-invasive functional imaging instead of exercise ECG as initial test to diagnose...

Authors: T. P. W. van den Boogert, B. E. P. M. Claessen, S. M. Boekholdt, T. Leiner, R. Vliegenthart, S. F. Schuiling, J. R. Timmer, S. C. A. M. Bekkers, M. Voskuil, H. J. Siebelink, W. van Es, H. J. Lamb, M. Prokop, P. Damman, J. Stoker, H. C. Willems…

Intensity of arterial structure acquired by Silent MRA estimates cerebral blood flow

Cerebral blood flow (CBF) and the morphology of the cerebral arteries are important for characterizing cerebrovascular disease. Silent magnetic resonance angiography (Silent MRA) is a MRA technique focusing on...

Authors: Zhen-An Hwang, Chia-Wei Li, Chien-Yuan Eddy Lin, Jyh-Horng Chen, Chia-Yuen Chen and Wing P. Chan

CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy

As the paucity of data focusing on evaluating cardiac structure and function in patients with or without gene mutation, this study was sought to investigate the correlation between genotype and cardiac magneti...

Authors: Di Zhou, Shijie Li, Arlene Sirajuddin, Weichun Wu, Jinghan Huang, Xiaoxin Sun, Shihua Zhao, Jielin Pu and Minjie Lu

The value of MRI compared to conventional radiography in analysing morphologic changes in the spine in axial spondyloarthritis

Imaging of morphologic changes in the vertebral spine in axial spondyloarthritis (SpA) is routinely performed with conventional radiography limited by superposition in the thoracic segments and radiation expos...

Authors: Gabriel Adelsmayr, Andreas Haidmayer, Christopher Spreizer, Michael Janisch, Franz Quehenberger, Eva Klocker, Winfried Graninger, Michael Fuchsjäger and Josef Hermann

Using amide proton transfer-weighted MRI to non-invasively differentiate mismatch repair deficient and proficient tumors in endometrioid endometrial adenocarcinoma

To investigate the utility of three-dimensional (3D) amide proton transfer-weighted (APTw) imaging to differentiate mismatch repair deficient (dMMR) and mismatch repair proficient (pMMR) tumors in endometrioid...

Authors: Yuan Li, Xinyu Liu, Xiaoqi Wang, Chengyu Lin, Yafei Qi, Bo Chen, Hailong Zhou, Qiaoling Wu, Jing Ren, Jia Zhao, Junjun Yang, Yang Xiang, Yonglan He, Zhengyu Jin and Huadan Xue

Infiltrative pattern of metastatic invasive lobular breast carcinoma in the abdomen: a pictorial review

Invasive lobular carcinoma (ILC) has a greater tendency to metastasize to the peritoneum, retroperitoneum, and gastrointestinal (GI) tract as compared to invasive carcinoma of no special type (NST). Like prima...

Authors: Ying Mei Wong, Pooja Jagmohan, Yong Geng Goh, Thomas Choudary Putti, Samuel Guan Wei Ow, Yee Liang Thian and Premilla Pillay

Preprocedural fasting for contrast-enhanced CT: when experience meets evidence

Traditional preparatory fasting policy prior to iodinated contrast media (ICM) assisted contrast-enhanced CT (CECT) examinations lacks methodologically acceptable evidence. Considering the possible negative ef...

Authors: Heng Liu, Yu Liu, Li Zhao, Xue Li and Weiguo Zhang

Magnetism of materials: theory and practice in magnetic resonance imaging

All substances exert magnetic properties in some extent when placed in an external magnetic field. Magnetic susceptibility represents a measure of the magnitude of magnetization of a certain substance when the...

Authors: Michele Gaeta, Marco Cavallaro, Sergio Lucio Vinci, Enricomaria Mormina, Alfredo Blandino, Maria Adele Marino, Francesca Granata, Agostino Tessitore, Karol Galletta, Tommaso D’Angelo and Carmela Visalli

Magnetic resonance imaging-based body composition is associated with nutritional and inflammatory status: a longitudinal study in patients with Crohn's disease

To evaluate the changes in magnetic resonance imaging-based body composition parameters during follow-ups in patients with Crohn's disease (CD).

Authors: Ziling Zhou, Ziman Xiong, Yaqi Shen, Zhen Li, Xuemei Hu and Daoyu Hu

The European Society of Head and Neck Radiology Mentoring Programme: development and feedback during the first phase of the initiative

There is increasing awareness of the benefits of formal mentorship programmes in radiology. In the context of the COVID 19 pandemic which impacted on education, professional engagement and networking within th...

Authors: Steve Connor and Soraya Robinson

Spinal disorders mimicking infection

Spinal infections are very commonly encountered by radiologists in their routine clinical practice. In case of typical MRI features, the diagnosis is relatively easy to interpret, all the more so if the clinic...

Authors: Sana Boudabbous, Emilie Nicodème Paulin, Bénédicte Marie Anne Delattre, Marion Hamard and Maria Isabel Vargas

Detection of lung lesions in breath-hold VIBE and free-breathing Spiral VIBE MRI compared to CT

Detection of pulmonary nodules in MRI requires fast imaging strategies without respiratory motion impairment, such as single-breath-hold Cartesian VIBE. As patients with pulmonary diseases have limited breath-...

Authors: Susann-Cathrin Olthof, Christian Reinert, Konstantin Nikolaou, Christina Pfannenberg, Sergios Gatidis, Thomas Benkert, Thomas Küstner and Patrick Krumm

Communicating imaging findings in peritoneal mesothelioma: the impact of ‘PAUSE’ on surgical decision-making

The peritoneal cavity is the second commonest site of mesothelioma after the pleural cavity. There are five histological types of peritoneal mesothelioma with variable symptomatology, clinical presentation and...

Authors: Anuradha Chandramohan, Nehal Shah, Andrew Thrower, Norman John Carr, Rohin Mittal, Faheez Mohamed and Brendan Moran

Saliency-based 3D convolutional neural network for categorising common focal liver lesions on multisequence MRI

The imaging features of focal liver lesions (FLLs) are diverse and complex. Diagnosing FLLs with imaging alone remains challenging. We developed and validated an interpretable deep learning model for the class...

Authors: Shu-Hui Wang, Xin-Jun Han, Jing Du, Zhen-Chang Wang, Chunwang Yuan, Yinan Chen, Yajing Zhu, Xin Dou, Xiao-Wei Xu, Hui Xu and Zheng-Han Yang

Measuring the bias of incorrect application of feature selection when using cross-validation in radiomics

Many studies in radiomics are using feature selection methods to identify the most predictive features. At the same time, they employ cross-validation to estimate the performance of the developed models. Howev...

Authors: Aydin Demircioğlu

Quantitative analysis of metal artifact reduction in total hip arthroplasty using virtual monochromatic imaging and orthopedic metal artifact reduction, a phantom study

To quantify metal artifact reduction using 130 keV virtual monochromatic imaging (VMI) with and without orthopedic metal artifact reduction (O-MAR) in total hip arthroplasty.

Authors: Mark Selles, Vera H. Stuivenberg, Ruud H. H. Wellenberg, Loes van de Riet, Ingrid M. Nijholt, Jochen A. C. van Osch, Robbert W. van Hamersvelt, Tim Leiner and Martijn F. Boomsma

Machine learning-based CT radiomics approach for predicting WHO/ISUP nuclear grade of clear cell renal cell carcinoma: an exploratory and comparative study

To investigate the predictive performance of machine learning-based CT radiomics for differentiating between low- and high-nuclear grade of clear cell renal cell carcinomas (CCRCCs).

Authors: Yingjie Xv, Fajin Lv, Haoming Guo, Xiang Zhou, Hao Tan, Mingzhao Xiao and Yineng Zheng

Pneumonic-type lung adenocarcinoma with different ranges exhibiting different clinical, imaging, and pathological characteristics

Pneumonic-type lung adenocarcinoma (PLADC) with different ranges might exhibit different imaging and clinicopathological features. This study divided PLADC into localized PLADC (L-PLADC) and diffuse PLADC (D-P...

Authors: Ji-wen Huo, Xing-tao Huang, Xian Li, Jun-wei Gong, Tian-you Luo and Qi Li

CT imaging of peritoneal carcinomatosis with surgical correlation: a pictorial review

Cytoreductive surgery in combination with hyperthermic intraperitoneal chemotherapy has revolutionized the survival and the quality of life in selected patients with peritoneal carcinomatosis. Preoperative CT ...

Authors: Panagiota Berta Panagiotopoulou, Nikos Courcoutsakis, Apostolos Tentes and Panos Prassopoulos

Rhino-orbito-cerebral Mucormycosis: Pictorial Review

Mucormycosis (MCR) is a fulminant, potentially lethal, opportunistic fungal infection. Diabetes, immunocompromised states and elevated serum iron levels are the most important risk factors for contracting MCR ...

Authors: Vivek Pai, Rima Sansi, Ritesh Kharche, Sridevi Chaitanya Bandili and Bhujang Pai

Feasibility of utilizing ultra-low-dose contrast medium for pancreatic artery depiction using the combination of advanced virtual monoenergetic imaging and high-concentration contrast medium: an intra-patient study

The least amount of contrast medium (CM) should be used under the premise of adequate diagnosis. The purpose of this study is to evaluate the feasibility of utilizing ultra-low-dose (224 mgI/kg) CM for pancrea...

Authors: Juan Li, Yu-hong Wang, Fu-ling Zheng, Xin-yue Chen, Yun Lin, Cai-rong Zhu, Yi-fan Wu, Qiang Xu, Zheng-yu Jin and Hua-dan Xue

Impact of COVID-19 on radiology education in Europe: a survey by the ESR Radiology Trainees Forum (RTF)

The ongoing COVID-19 pandemic has significantly affected radiology services around the globe. The impact of the crisis on radiology education in Europe has yet to be determined, in order to identify measures t...

Authors:

How does DICOM support big data management? Investigating its use in medical imaging community

The diagnostic imaging field is experiencing considerable growth, followed by increasing production of massive amounts of data. The lack of standardization and privacy concerns are considered the main barriers...

Authors: Marco Aiello, Giuseppina Esposito, Giulio Pagliari, Pasquale Borrelli, Valentina Brancato and Marco Salvatore

Diagnosing sarcopenia and myosteatosis based on chest computed tomography images in healthy Chinese adults

Measuring muscle mass and muscle quality based on chest Computed Tomography (CT) images would facilitate sarcopenia and myosteatosis research. We aimed (1) to measure muscle mass and myosteatosis based on ches...

Authors: Lingling Tan, Guiyi Ji, Ting Bao, Hongbo Fu, Ling Yang and Ming Yang

Deep learning-based fully automated Z-axis coverage range definition from scout scans to eliminate overscanning in chest CT imaging

Despite the prevalence of chest CT in the clinic, concerns about unoptimized protocols delivering high radiation doses to patients still remain. This study aimed to assess the additional radiation dose associa...

Authors: Yazdan Salimi, Isaac Shiri, Azadeh Akhavanallaf, Zahra Mansouri, Abdollah Saberi Manesh, Amirhossein Sanaat, Masoumeh Pakbin, Dariush Askari, Saleh Sandoughdaran, Ehsan Sharifipour, Hossein Arabi and Habib Zaidi

Potential role of epicardial adipose tissue as a biomarker of anthracycline cardiotoxicity

We investigated the radiodensity of epicardial (EAT), subcutaneous (SAT), and visceral adipose tissue (VAT) before and after treatment with anthracyclines in a population of breast cancer (BC) patients, and in...

Authors: Caterina Beatrice Monti, Simone Schiaffino, Maria Del Mar Galimberti Ortiz, Davide Capra, Moreno Zanardo, Elena De Benedictis, Alberto Gianluigi Luporini, Pietro Spagnolo, Francesco Secchi and Francesco Sardanelli

Limitations of cardiothoracic ratio derived from chest radiographs to predict real heart size: comparison with magnetic resonance imaging

Cardiothoracic ratio (CTR) in chest radiographs is still widely used to estimate cardiac size despite the advent of newer imaging techniques. We hypothesise that a universal CTR cut-off value of 50% is a poor ...

Authors: Paulius Simkus, Manuel Gutierrez Gimeno, Audra Banisauskaite, Jurate Noreikaite, David McCreavy, Diana Penha and Monika Arzanauskaite

Reply to Letter to the Editor on “Not all biases are bad: equitable and inequitable biases in machine learning and radiology”

Authors: Mirjam Pot and Barbara Prainsack