Search

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Chest radiography (CXR) is one of the most commonly performed imaging procedures in clinical diagnosis. Its main advantages are its high availability (regardless of the size and location of the medical facility), low cost and wide diagnostic...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Percutaneous nephrolithotomy (PCNL) is the first-line treatment for large (>2 cm) and complex renal stones 1 . Acquiring accurate calyceal access is essential in this procedure. However, it is also the most challenging step, in which often multiple...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: To assess the image quality of a prototype whole-body Cadmium-Zinc-Telluride-based CZT-based photon-counting detector (PCD) CT scanner (PCD-CT) for pediatric head and neck imaging. Pediatric imaging adds an additional limitation to PCD systems due...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Variable pneumatization and regional anatomy of the sphenoid sinus (SS) have acquired growing importance with the advent of transsphenoidal surgical procedures. The close relation to vital neurovascular structures and the variability of their...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Breast cancer, being the most prevalent cancer, is also one of the leading causes of death among women all over the world. Mammography is a very useful and first-line radiological modality for the screening of breast cancers, especially in older...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: CT urography (CTU) is a powerful diagnostic tool in the detection of urothelial carcinomas, especially in the upper urinary tract, and the American Urological Association/Society of Urodynamics, Female Pelvic Medicine and Urogenital Reconstruction...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: This study analyzes the value of dynamic contrast-enhanced MRI (DCE) of the prostate on 1.5T and 3T examinations in patients within PI-RADS category...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: This study aims to compare the diagnostic yield of full-body CT scans for search of infectious foci in patients with sepsis positive for COrona VIrus Disease 19 pandemic (COVID-19) (+), with COVID-negative (-) septic...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Approximately 20% of tumors that arise in the parotid gland are malignant, which is markedly lower than the incidence of benign parotid gland tumors (BPGT). Mucoepidermoid carcinoma is the most common malignant parotid gland tumor (MPGT), whereas...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Myocardial infarction (MI) might present with atypical symptoms like epigastric pain and discomfort or could be veiled by trauma after collapsing due to arrhythmias. Emergency physicians might misjudge clinical symptoms, electrocardiograms can be...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Things to Measure, Monitor and Document: Post-Market Surveillance of SaMD’s particularly AI...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: We review the long term modifications that transjugular intrahepatic portosystemic shunt (TIPS) performed in childhood may cause to the liver parenchyma, with focus on the development of nodular lesions and their...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: To develop an Automatic Report Creating System (ARCS) that automatically transfers the results of artificial intelligence (AI)-based image analysis program to PACS report, and to verify the effect of ARCS on the work efficiency of...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Introduction Postoperative pancreatic fistula (POPF) is one of the most serious complications after pancreatectomy and is closely associated with postoperative mortality and morbidity. Although several preoperative risk factors have been reported,...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Since the discovery of X-ray by Wilhelm Conrad Rontgen in 1895 [1], radiographs have been the most fundamental and commonly used medical imaging modality. The early X-ray machines were extremely large and heavy, being unavailable outside the rooms...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Amyloid-β (Aβ) peptide plaquesare deposited in the brain in Alzheimer's disease (AD), a neurodegenerative condition that worsens over time and is linked to cognitive deficits. Positron emission tomography (PET/CT) with 18F-florbetapir is linked to...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Recent studies estimate that up to 30% of COVID-19 patients and up to 80% of hospitalized ones developed neurologic complications and were six times more likely than their peers to die. There is also increasing evidence that COVID-19 disease might...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To emphasize the role of chemical shift MRI in different pelvic MRI protocols. To understand the need of chemical shift images. To gain maximum from the four obtained images during the...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The purpose of the study is the evaluation of the performance and feasibility of 3D T1w spoiled gradient-echo (T1SGRE) MRI sequence (CT-like) imaging for the detection and staging of fractures of the knee and shoulder compared with conventional...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Learning Objectives To review Quantitative Susceptibility Mapping (QSM) on 1.5 T MRI. To provide tips to obtain good 1.5T QSM of phantom and/or human brain with reasonable scan time, i.e., around 5...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Hydroxyapatite crystal deposition disease (HADD) is included in a group of crystal arthropathies, which due to deposition of crystals in and around joints, leads to joint destruction. HADD has varied clinical presentations and can be challenging to...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Like the medical world, interpretation of radiological images has grown in terms of complexity and broadness resulting in the challenge to hold expertise in every specific pathology. Radiologists spend much of their day chasing down information to...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The primary purpose was to determine interreader reliability (IRR) of hallux valgus (HV) related parameters, i.e. intermetatarsal angle (IMA), hallux valgus angle (HVA), lateral round sign of the first metatarsal, tibial sesamoid position (TSP),...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Due to the characteristics of children, such as communication restriction and immature cognitive ability, it is hard to cooperate with X-ray imaging. It can be causative of an increase in exposure doses with an increase in the number of retests[1]....

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The aim of this study is the analysis of SAR during MRI scans, and correlate them with gender, Body Mass Index, type of pulse sequence, acquisition time and the radiofrequencies applied on pulse sequences, and also the anatomic...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the imaging and procedural characteristics of the head and neck lesions susceptible of percutaneous embolization. To review the therapeutic approach and outcomes of this...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Focal nodular hyperplasia (FNH) is the second most common benign solid liver lesion after hemangioma, occurring more frequently in young women. Imaging plays a key role in diagnostic pathway, and misdiagnosis may have a major clinical effect. This...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Fatty liver disease, also known as hepatic steatosis, is a common condition that occurs when the weight of intrahepatic fat exceeds 5% of the total liver weight. Initially, ultrasound B was the modality of choice for assessing hepatic steatosis as...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: In recent years, the increase in the number of Magnetic Resonance Imaging (MRI) and the development of medical imaging technologies have brought artificial intelligence (AI) algorithms to the fore. Brain MRI is frequently used in the imaging of the...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Cystic fibrosis is a complex pathology characterized by a lesion polymorphism, with different evolution and severe complications, such as chronic respiratory failure, diabetes, malnutrition, liver failure and pancreatitis (1). CT-scan pathology...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: To verify the diagnostic relevance of T2w vs. DWI/ADC at multiparametric prostate depending on the tumor location according to PIRADS V2.1 at 1006 MR-guided prostate biopsies. To show the learning curve effect (e.g. which lesion to get to biopsy),...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Segmentation of structures such as bones and cartilage from knee MRI images and quantifying its shape is an important step for diagnosis and surgical planning of knee musculoskeletal disorders. Existing studies for automatic segmentation have used a...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: To develop a machine learning-mediated approach to compute bone age from the lateral elbow radiograph in pediatric...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Quantitative assessment of Dixon technologies operation using phantom modeling in the range of fat fraction (FF) from 0 to 60%. The objective of the study was to develop a reliable phantom with stable direct "oil-in-water"...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Hepatic steatosis, a fatty liver disease, involves accumulation of lipids inside hepatocytes. Various causes of fatty liver include alcohol consumption, viral hepatitis, and metabolic dysfunction (obesity, type 2 diabetes, hyperglycemia, and...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Luminal-B subtype remains a clinically important classification with prognostic and predictive implications due to the relative resistance to chemotherapy compared with other highly proliferative breast cancers (BC) and poor outcome with endocrine...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Functional MRI (fMRI) is a non-invasive imaging technique that can be used to better understand and map the areas of language, motor, memory, learning and cognitive functions for presurgical planning [1]. Unlike structural MRI, fMRI is based on the...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The aim is to compare conventional and radiomic features MRI abilities to make differential diagnostics between three types of primary extra-axial brain tumors: benign and malignant meningiomas, and neuromas. Traditionally, the interpretation of the...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Purpose- To assess the performance of the U-Net Model for the detection and segmentation of the inner endocardial wall of the left ventricle for the calculation of the left ventricular ejection fraction (LVEF) from Cardiac Magnetic Resonance...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Digital breast tomosynthesis (DBT) combined with full-field digital mammography (FFDM) have demonstrated to improve diagnostic accuracy when compared to FFDM alone, has become widely used around the world [1,2]. Currently, the standard DBT systems...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To know the principle of computational medical imaging (or radiomics).To know the contribution of radiomics in...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The increased usage of machine learning methods in medical imaging evoked criticism because it does not suffice the necessary safety requirements in medicine. Segmentation tasks especially need to work reliably in order to prevent errors in...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The Fleischner Society has proposed algorithms for the use of chest radiography and CT scanning for the diagnosis of COVID-19 pneumonia [1]. From this perspective, there is a need to determine the extent of pulmonary involvement with CXR. The...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: In this article we will investigate the different categories of machine learning driven solutions that can provide added value in cathlab procedures. Categorizing machine learning applications in the cathlab, and structurally investigating their...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Review the pathological entity of exostosis. Provide a general overview of the imaging results of exostosis. Describe the different complications of exostosis as well as assess the risk of...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Breast carcinoma is a concerning health problem worldwide, usually affecting females aged more than forty, and has exceeded lung malignancy as the world’s most frequently diagnosed cancer. According to the American Cancer Society, approximately...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To develop a computer-aided diagnosis method that can help to analyze a large number of scan images in a short time, thus assisting radiologists in effectively solving a binary classification problem, to distinguish between negative and positive...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: This retrospective study aimed to compare post-therapy [ 90 Y] PET/CT derived tumour-absorbed dose to changes over time of (1) tumour size, (2) intra-tumoral characteristics, and (3) serum tumour markers. SIRT post-treatment verification by...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: After reading the article and taking the test, the reader will be able to: ■ Describe how multiparametric breast MRI protocols can be modified to address a particular clinical indication Identify the benefits and limitations of a preoperative...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Currently, Double Inversion Recovery (DIR) technique has uncertain impact on clinical routine. According to some authors, the study of brain by Magnetic Resonance with DIR technique increases the diagnostic sensitivity for certain pathologies,...