Implementation of a Process for Radiosurgery Incorporating Functional Magnetic Resonance Imaging

The benefits of performing fMRI when planning stereotactic radiosurgery (SRS) in patients with primary or secondary brain tumors are discussed, along with the necessary information regarding implementation protocols. [...]

Experience of Using a New Autopilot Assistance System for Easy Scanning in Brain and Knee MRI Examinations

New scanning assistance systems are needed if radiologists and imaging providers are to cope with the increasing demand and the high expectations of quality while only having a limited workforce, with our initial experience using myExam Autopilot described. [...]

The Diagnostic Challenges of Myocarditis: Importance of Bioimaging Signatures with Parametric Mapping

Technical advances in cardiovascular magnetic resonance (CMR) enable both qualitative and quantitative assessment of myocardial inflammation non-invasively. [...]

Role of CMR in Non-ischemic Cardiomyopathies

Cardiovascular magnetic resonance (CMR) plays a growing role in therapeutic decision-making as it allows differentiation of etiologies and provides prognostic information. [...]

How to do Cardiac Single Voxel 1H Spectroscopy

Protocols for performing single voxel proton spectroscopy of the myocardium, with PRESS, are described for both 1.5 and 3 T. [...]

Clinical Feasibility of Gadoxetic Acid–Enhanced Isotropic High-Resolution 3-Dimensional Magnetic Resonance Cholangiography Using an Iterative Denoising Algorithm for Evaluation of the Biliary Anatomy of Living Liver Donors

The purpose of this study was to evaluate the clinical feasibility of isotropic high-resolution 3D-T1W-MRC using iterative denoising in comparison with conventional 3D-T2W-MRC for evaluation of the biliary anatomy of living liver donors. [...]

Clinical and High-Resolution CT Features of the COVID-19 Infection: Comparison of the Initial and Follow-up Changes

There are significant differences in clinical symptoms, laboratory examinations and CT manifestations between the ordinary patients and severe/critical patients. Many factors are related to the severity of the disease, which can help clinicians to judge the severity of the patient and evaluate the prognosis. [...]

The Clinical and Chest CT Features Associated with Severe and Critical COVID 19 Pneumonia

There are significant differences in clinical symptoms, laboratory examinations and CT manifestations between the ordinary patients and severe/critical patients. Many factors are related to the severity of the disease, which can help clinicians to judge the severity of the patient and evaluate the prognosis. [...]

The Performance of Chest CT in Evaluating the Clinical Severity of COVID-19 Pneumonia: Identifying Critical Cases Based on CT Characteristics

The aim of this study was to assess the clinical severity of COVID-19 pneumonia using qualitative and/or quantitative chest computed tomography (CT) indicators and identify the CT characteristics of critical cases. [...]

Chest CT Findings in Patients with Corona Virus Disease 2019 and its Relationship with Clinical Features

Early important patient series – published in the journal Investigative Radiology, from multiple sites in China, describing the chest CT findings of COVID-19 are provided in this collection of articles. CT plays an important role in the diagnosis and evaluation of this emerging global health emergency. [...]

Iterative Denoising Applied to 3D SPACE CAIPIRINHA: A New Approach to Accelerate 3D Brain Examination in Clinical Routine

High acceleration factors using standard CAIPIRINHA acceleration for cartesian trajectories, in combination with a modern iterative denoising (ID) reconstruction algorithm, can be applied to 3D SPACE, maintaining image sharpness with high SNR, for either reduced scan time or higher spatial resolution. [...]

Revisiting the Physics behind MRI and the Opportunities that Lower Field Strengths Offer

Moving to higher magnetic fields may not always be advantageous in MRI, with sufficient SNR now available on new state of the art low field systems, which feature many advantages not the least of which are reduced artifacts and lower cost. [...]

Magnetic Resonance Fingerprinting for Precision Imaging in Neuro-Oncology

MRF represents a paradigm shift for reliable, repeatable, and consistent signal acquisition and modeling. The recent availability of this technique in the clinical realm may have a significant impact on tumor detection, characterization, and effective treatment planning. [...]

The Next Generation – Advanced Design Low-field MR Systems

Looking at cost, flexibility, image quality, and accessibility, there is a very bright future for advanced design low-field MR units. [...]

A Path to Establishing MRSI as a Clinical Standard Imaging

Magnetic resonance spectroscopic imaging (MRSI) of the brain today can be achieved with whole-brain coverage and finds useful application in patients with brain tumors. [...]

The Prostate Dot Engine – a System-Guided and Assisted Workflow to Improve Consistency in Prostate MR Exams

Recently published landmark multiparametric MRI prostate cancer detection studies are summarized, together with their impact on patient management and guidance for the use of this highly important approach. [...]

A Fully Automated, End-to-End Prostate MRI Workflow Solution Incorporating Dot, Ultrashort Biparametric Imaging and Deep- Learning-based Detection, Classification, and Reporting

An end-to-end concept is described, which allows standardized workflow with reproducible and fast data acquisition with optimized imaging sequences and an AI-empowered data analysis including automated detection, classification and reporting of suspicious lesions in biparametric prostate MRI examinations. [...]

Re-Envisioning Low-Field MRI

The need for low-cost, high-performance low-field MRI is clear, and it is only a matter of time before new technologies become available. [...]

Novelties in MR Fingerprinting

Magnetic Resonance Fingerprinting (MRF) is a fast and precise technique for multiparametric quantitative MRI. [...]

How I do it: Imaging Morton’s Neuroma

Position the patient prone for best depiction of Morton’s neuroma. Use the 16-channel Hand/Wrist coil for improved SNR, a significantly shorter scan time, and more comfortable patient positioning. [...]

teamplay – Streamline Clinical Operations to Unlock Productivity Gains

Standardization of operations helps improve clinical and operational outcomes. [...]

Deep Learning for Parallel MRI Reconstruction: Overview, Challenges, and Opportunities

MR-guided Focused Ultrasound (MRgFUS) is a novel, groundbreaking technology that allows incisionless surgery. In essential tremor, the target spot is the Ventralis Intermidius Thalamic (Vim) nucleus, located in the hemisphere contralateral to the affected body part. [...]

Experience after One Year with MRgFUS

MR-guided Focused Ultrasound (MRgFUS) is a novel, groundbreaking technology that allows incisionless surgery. In essential tremor, the target spot is the Ventralis Intermidius Thalamic (Vim) nucleus, located in the hemisphere contralateral to the affected body part. [...]

Compressed Sensing VIBE – Clinical Applications in the Female Pelvis

Compressed sensing VIBE is a highly valuable tool for the diagnostic workup of complex uterine and adnexal pathologies and may facilitate improved staging of tumors and a more accurate evaluation of benign diseases. [...]

Taking the Complexity out of Brachial Plexus MRI

Image degradation due to respiratory motion remains a challenge for cardiac MR/PET imaging. Although novel approaches for MR/PET motion compensation have been recently introduced, most of these schemes usually only acquire motion information from MRI data during the PET acquisition, and diagnostic MR data afterwards. [...]

Motion-corrected Whole-heart Simultaneous Cardiac MR/PET Imaging: Initial Clinical Experience

Image degradation due to respiratory motion remains a challenge for cardiac MR/PET imaging. Although novel approaches for MR/PET motion compensation have been recently introduced, most of these schemes usually only acquire motion information from MRI data during the PET acquisition, and diagnostic MR data afterwards. [...]

10 Years of Clinical Experience of MRI in Radiotherapy Treatment Planning: The Newcastle upon Tyne Story

On the basis of nearly ten years’ experience, the evolution and development of MRI in radiotherapy planning at an early site is described. [...]

Clinical Usefulness of 4D Flow in Adult Cardiovascular MRI

Moyamoya disease requires follow-up for a long period of time, and ASL is very well suited for the evaluation of this disease. The multi-PLD PCASL is significant as a screening tool because it provides information on whole-brain perfusion distribution in a 3D rCBF map as well as information on pseudo hemodynamics. [...]

Automated Fast Liver MR Scan: A Preliminary Evaluation

Moyamoya disease requires follow-up for a long period of time, and ASL is very well suited for the evaluation of this disease. The multi-PLD PCASL is significant as a screening tool because it provides information on whole-brain perfusion distribution in a 3D rCBF map as well as information on pseudo hemodynamics. [...]

Clinical Benefits of Multiple Post-Labeling Delay Pseudo-Continuous Arterial Spin Labeling (Multi-PLD PCASL) in Pediatric Patients with Moyamoya Disease

Moyamoya disease requires follow-up for a long period of time, and ASL is very well suited for the evaluation of this disease. The multi-PLD PCASL is significant as a screening tool because it provides information on whole-brain perfusion distribution in a 3D rCBF map as well as information on pseudo hemodynamics. [...]

Advanced Neuroimaging and Pediatric Epilepsy Surgery

Advanced multi-modal MRI has the potential to simplify the patient’s presurgical workup, obviate the need for intracranial EEG monitoring and electrical stimulation, improve postoperative seizure outcome, and avoid or minimize postoperative neurological deficits. [...]

Robust, Efficient, and Comprehensive Pediatric Imaging with BioMatrix Technology and High-End Applications

In the world of social media, the relationship between pediatrics and MRI would be: “It’s complicated.” Most important regardless is that MRI is a completely radiation-free technique, making it an excellent tool of first choice… [...]

CAIPRINHA and SPACE – a Winning Combination

3D Localization is an efficient and reliable way to localize cardiac views, especially in unfamiliar anatomical territory e.g. complex cardiomyopathies, post- surgical changes, or animal scans. For new trainees, the ability to visualize anatomy in 3D also promotes a better understanding and appreciation of the required angulations. [...]

Adding Value to CMRI with MAGNETOM Sola’s BioMatrix Technology

3D Localization is an efficient and reliable way to localize cardiac views, especially in unfamiliar anatomical territory e.g. complex cardiomyopathies, post- surgical changes, or animal scans. For new trainees, the ability to visualize anatomy in 3D also promotes a better understanding and appreciation of the required angulations. [...]

3D Localization for Cardiac Views: Saving Time While Increasing Accuracy

3D Localization is an efficient and reliable way to localize cardiac views, especially in unfamiliar anatomical territory e.g. complex cardiomyopathies, post- surgical changes, or animal scans. For new trainees, the ability to visualize anatomy in 3D also promotes a better understanding and appreciation of the required angulations. [...]

MR Elastography – Pearls and Pitfalls

Given that liver fibrosis is often spatially heterogeneous, the volume of liver sampled is considered one of the key advantages of MR Elastography compared with liver biopsy and ultrasound elastography. GRE type sequences appear to be the best choice in patients with normal iron concentrations in the liver, while SE-EPI appears to be superior for patients with iron overload. [...]

Fetal MR Imaging: An Overview

Arterial spin labeling (ASL) is an MR perfusion technique which uses magnetically labeled arterial blood as tracer for measuring local tissue perfusion [1–4]. [...]

ASL Perfusion Imaging: Clinical Experience in Patients with Cerebrovascular Steno-Occlusive Disease

Arterial spin labeling (ASL) is an MR perfusion technique which uses magnetically labeled arterial blood as tracer for measuring local tissue perfusion [1–4]. [...]

Cerebral Blood Flow Measurements in Elderly Using Arterial Spin Labeling at 3T

Current research at the Department of Nutrition and Movement Sciences at Maastricht University is focused on the long-term impact of specific dietary components and physical exercise on both CBF and cognitive performance. We primarily target overweight and slightly obese elderly while using ASL to quantify changes in (regional) CBF. [...]

Brain Perfusion Imaging in a Case of Thalamic Stroke: a Clinical Application of 3D Pseudo-Continuous ASL (PCASL)

3D PCASL can be used for non-invasive monitoring of metabolic and functional correlates of a stroke lesion, both in the acute and chronic phase, and to evaluate areas beyond the local tissue damage. [...]

Thoracic Outlet Syndrome on Tim 4G Systems

Thoracic outlet syndrome is a condition in which nerves, arteries or veins are compressed. This can lead to pain, weakness, and occasionally loss of muscle at the base of the thumb. Occationally, these cases are referred to MRI and the article describes how such scans can be performed easily, efficiently, and accurately. [...]

Fast and efficient liver imaging with Primovist®/Eovist®

This liver workflow makes better use of the time between the dynamic and liver-specific phases – by shifting the time consuming acquisition of high-res T2w images and DWI to after the contrast injection and – by shortening the delay between contrast dynamics and the acquisition of hepatobiliary phase images. The protocols allow to perform a complete Primovist liver exam in a 30-minute exam slot. [...]

MAGNETOM Sola: Adaptive and anticipatory, predictive and profitable

Shortening average examination times by 50% – the first experiences with 1.5T MAGNETOM Sola with BioMatrix technology are presented in this article. [...]

Diffusion and perfusion MR parameters to assess preoperative short course radiotherapy response in locally advanced rectal cancer: a comparative explorative study among parameters derived from standardized index of shape DCE-MRI, intravoxel incoherent motion, and diffusion kurtosis imaging

To assess preoperative Short Course Radiotherapy (SCR) tumor response in locally advanced rectal cancer (LARC) by means of parameters derived from Standardized Index of Shape (SIS) dynamic contrast enhanced (DCE) MRI, Apparent Diffusion Coefficient (ADC), Intravoxel Incoherent Motion and Diffusion Kurtosis Imaging derived parameters by diffusion weighted (DW) MRI. [...]

MyoMap quantification of myocardial toxicity following concurrent chemoradiotherapy for esophageal carcinoma

Crude rates of symptomatic cardiac toxicity in esophageal carcinoma are reportedly 10.8% [1]. Cardiac manifestations including clinical findings such as pericardial effusion, arrhythmia, ischemia and cardiomyopathy, typically occur between 4 to 24 months following thoracic radiation [2, 3]. [...]

Dynamic contrast-enhanced magnetic resonance imaging, diffusion kurtosis imaging, and intravoxel incoherent motion diffusion weighted imaging: MRI functional parameters in the assessment of pancreatic cancer

To evaluate the diagnostic potential of perfusion parameters derived from dynamic contrast-enhanced MR imaging (DCE-MRI), diffusion kurtosis imaging (DKI), and parameters derived from the intravoxel incoherent motion model (IVIM)-based diffusion weighted imaging (DWI) in differentiating between pancreatic tumors and normal pancreatic parenchyma. [...]

Cine-magnetic resonance imaging for assessment of larynx motion in early glottic cancer radiotherapy

Radiation therapy is an essential component of early glottic cancer treatment. This article presents the use of cine MRI to capture the swallowing and breathing motion of the larynx. Cine-MRI can also be used to determine personalized internal target volume margin based on individual motion. [...]

MyoMap quantification of myocardial toxicity following concurrent chemoradiotherapy for esophageal carcinoma

The use of cardiac MRI mapping can provide novel information regarding acute to sub-acute myocardial changes following radiation therapy. [...]

Spectroscopic MRI for dose-escalated radiation therapy

This article introduces a web-based software designed specifically to integrate spectroscopic MRI with clinical imaging, enabling physicians to evaluate metabolic activity, review underlying spectra on a voxel-basis, and delineate target volumes for RT planning. By making whole-brain spectroscopic MRI more accessible for clinical decision-making and treatment decisions through an easy-to-use, collaborative web application, we can improve patient outcomes and drive the future of state-of-the-art glioblastoma care. [...]

Replacement of a CT-simulator with an MRI-simulator within a radiation oncology department

Body composition measurements, such as adipose tissue compartments, muscle volumes, and muscle tissue composition are increasingly important in research and clinical context. This article introduces a protocol for robust neck-to-knee Dixon VIBE-based fat and water images at 3T. [...]

Rapid Body Composition Measurements Reveal Detailed Metabolic Changes in Large Scale Population Studies

Body composition measurements, such as adipose tissue compartments, muscle volumes, and muscle tissue composition are increasingly important in research and clinical context. This article introduces a protocol for robust neck-to-knee Dixon VIBE-based fat and water images at 3T. [...]

FLAIR Fusion in Multiple Sclerosis Follow-up: An Indispensable Tool in Clinical Routine

MS follow-up leads to millions of brain MRI scans around the world. Depending on the number and size of inflammatory lesions, comparing successive exams to assess dissemination in time can be a challenging and lengthy process. Stéphane Cantin et al. (Grenoble, France) describes FLAIR image fusion with syngo.via, an easy to implement and cost-effective technique that allows faster and improved patient care compared to conventional frame-by-frame 3D FLAIR comparison. [...]

Imaging of the Pancreas: Technique and Clinical Applications

The article describes the experiences with REMyDI (Rapid Estimation of Myelin for Diagnostic Imaging), a method of myelin detection in the brain, using a scan time of approximately 6 minutes. [...]

To Add Myelin Detection to Your Neuro Protocol Without Additional Scan Time

The article describes the experiences with REMyDI (Rapid Estimation of Myelin for Diagnostic Imaging), a method of myelin detection in the brain, using a scan time of approximately 6 minutes. [...]

Optimizing Fiducial Markers for MRI-based Radiotherapy

Fiducial markers need to fulfill many, sometimes competing, criteria when used for MRI based radiotherapy treatment planning. This article covers the development and optimization of markers. [...]

How a Bell Pepper Convinced the Siemens Med Board

This short review describes developments at the very beginning of the field of MR [...]

How Blended Learning Can Provide Answers for Training in the COVID-19 Pandemic: Experience from France

Mixing different training formats (blended learning) is a key feature of learning today, and it has become even more important since the COVID-19 pandemic began. [...]

Breast Biopsy Workflow with syngo MR XA20 – How I Do It

This article provides an overview of MR-guided breast biopsy performed using the Breast Biopsy software, syngo MR XA20 version (Siemens Healthcare, Erlangen, Germany). [...]

Iterative Denoising Applied to 3D SPACE CAIPIRINHA: An Application to Musculoskeletal Imaging

We show that signal and contrast can both be improved using 3D SPACE with CAIPIRINHA acceleration combined with a prototype iterative denoising algorithm in comparison to the standard SPACE sequence and reconstruction. [...]

Initial Clinical Experience with an Iterative Denoising Algorithm Applied to Reduced-data 2D Turbo Spin Echo Acquisitions

Image quality in standard 2D MRI sequences, accelerated in simulation beyond the threshold of standard acceptable noise levels, can be substantially improved by applying an iterative denoising algorithm using supplementary information about the image noise level. [...]

Deep Resolve – Mobilizing the Power of Networks

Deep Resolve Gain and Deep Resolve Sharp introduce targeted, iterative denoising and deep learning reconstruction into clinical imaging. These technologies enable us to reduce acquisition times and improve image quality simultaneously. [...]

MAGNETOM Free.Max: Access to MRI – How to Make it Big Inside and Small Outside

This overview shows how a complete design overhaul of the magnet and gradient system together with the use of new imaging and reconstruction techniques results in an MRI system that achieves somewhat contradictory goals: A large 80 cm bore for the patient with a scanner that delivers diagnostic image quality AND easy installation with a small physical footprint and low connection power. [...]

An Attempt to Reconstruct the History of Gradient-System Technology at Siemens

This review discusses first the background in terms of development of these agents and safety discussions therein, proceeds to a discussion of NSF and gadolinium deposition in the brain, and concludes with a discussion of the predictable future – specifically reassessment of the use of the linear GBCAs or a subset thereof. [...]

Introducing 3T MR Imaging with the new MAGNETOM Lumina

The MAGNETOM Lumina is a new 3T Open Bore system, incorporating artificial intelligence, matrix coils that automatically adjust to patient biovariability and parallel imaging/simultaneous multi-slice/compressed sensing technologies. [...]

syngo Virtual Cockpit – Your Software for Remote Scanning Assistance and More Flexible Workforce Management

New working methods are required that will enable hospitals to deal with the increasing workload and quality expectations despite having a smaller workforce at their disposal. [...]

Performing Gynecologic Brachytherapy in the Medical Innovation Technical Expert Center

Houda Bahig et al. describe their intensity modulated radiotherapy planning workflow with MRI for locally advanced head-and-neck cancer (HNC) and discuss the current role of MRI in HNC treatment planning. [...]

Evaluation of Transient Motion During Gadoxetic Acid–Enhanced Multiphasic Liver Magnetic Resonance Imaging Using Free-Breathing Golden-Angle Radial Sparse Parallel Magnetic Resonance Imaging

Transient motion developed in 40% of patients shortly after gadoxetic acid administration, and gated free-breathing T1WI using GRASP was able to consistently provide acceptable arterial phase imaging in patients who exhibited transient motion. [...]

MRI in Head and Neck Radiotherapy Planning

Houda Bahig et al. describe their intensity modulated radiotherapy planning workflow with MRI for locally advanced head-and-neck cancer (HNC) and discuss the current role of MRI in HNC treatment planning. [...]

Assessing Brain Volumes Using MorphoBox Prototype

This review focuses on 8 critical questions regarding gadolinium deposition in the brain and body, with the answers and discussion therein important for future regulatory decisions and clinical practice. [...]

MAGNETOM Free.Max: from Concept to Product, a Brief History of the DryCool Magnet Development

The DryCool magnet is a highly innovative development which incorporates many new technologies and concepts. The magnet delivers the first 80 cm patient bore in the industry and is a key enabler for the ground-breaking MAGNETOM Free.Max MRI scanner. The magnet minimizes product life-cycle costs and total cost of ownership and virtually eliminates the complex superconducting magnet servicing procedures. [...]