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Current Evaluation of Intracerebral Hemorrhage
Advanced imaging is currently critical in diagnosing, predicting, and managing intracerebral hemorrhage. MD CT angiography has occupied the first line of evaluating patients with a clinical diagnosis of a stroke, given its rapid acquisition time, high resolution of vascular structures, and sensitivity for secondary causes of ICH.
Source: Radiologic Clinics of North America - February 20, 2023 Category: Radiology Authors: Javier M. Romero, Luisa F. Rojas-Serrano Source Type: research

Rapid MRI protocol leads to reduced image acquisition times
A rapid lumbar MRI protocol that uses 3D imaging and deep learning reconstructio...Read more on AuntMinnie.comRelated Reading: Reducing use of sedation for pediatric MRI cuts healthcare costs Ultrafast MRI shows promise in predicting DCIS upstaging Ultrafast DCE-MRI helps predict breast cancer treatment response Is abbreviated MRI useful for women at average breast cancer risk? Rapid MRI for ED stroke evaluation cuts costs, hospital length of stay
Source: AuntMinnie.com Headlines - January 6, 2023 Category: Radiology Source Type: news

Brain PET and Cerebrovascular Disease
Cerebrovascular disease encompasses a broad spectrum of diseases such as stroke, hemorrhage, and cognitive decline associated with vascular narrowing, obstruction, rupture, and inflammation, among other issues. Recent advances in hardware and software have led to improvements in brain PET. Although still in its infancy, machine learning using convolutional neural networks is gaining traction in this area, often with a focus on providing high-quality images with reduced noise using a shorter acquisition time or less radiation exposure for the patient.
Source: PET Clinics - October 27, 2022 Category: Radiology Authors: Katarina Chiam, Louis Lee, Phillip H. Kuo, Vincent C. Gaudet, Sandra E. Black, Katherine A. Zukotynski Source Type: research

MRI-Visible Anatomy of the Brainstem
Human brainstem internal anatomy is intricate, complex, and essential to normal brain function. The brainstem is affected by stroke, multiple sclerosis, and most neurodegenerative diseases —a 1-mm focus of pathologic condition can have profound clinical consequences. Unfortunately, detailed internal brainstem anatomy is difficult to see with conventional MRI sequences. We review normal brainstem anatomy visualized on widely available clinical 3-T MRI scanners using fast gray matter acquisition T1 inversion recovery, probabilistic diffusion tractography, neuromelanin, and susceptibility-weighted imaging. Better anatomic l...
Source: Neuroimaging Clinics - July 15, 2022 Category: Radiology Authors: Timothy M. Shepherd, Michael J. Hoch Source Type: research

Hyperfine forms medical advisory board
Hyperfine has formed a medical advisory board composed of physicians from acros...Read more on AuntMinnie.comRelated Reading: Portable MRI developer Hyperfine sets sights on Europe Hyperfine hires chief people officer Portable MRI helps clarify stroke symptoms more quickly Hyperfine appoints new CFO Hyperfine to gain Nasdaq listing through SPAC merger
Source: AuntMinnie.com Headlines - October 15, 2021 Category: Radiology Source Type: news

Mach7, Nuance advance AI collaboration
Mach7 Technologies and Nuance Communications announced they are beginning clinical...Read more on AuntMinnie.comRelated Reading: Arterys brings Avicenna AI stroke software on board Hologic launches Genius AI mammography software Mach7 secures Mich. enterprise imaging contract Mach7 completes acquisition of Client Outlook Strategic Radiology, Mach7 partner on data exchange tool
Source: AuntMinnie.com Headlines - December 1, 2020 Category: Radiology Source Type: news

Operational applications drive AI adoption in radiology
When talking about artificial intelligence (AI) in radiology, one immediately...Read more on AuntMinnie.comRelated Reading: AI predicts final infarct lesion for stroke on MRI New credentialing body formed for AI FDA recognizes AI-based image acquisition software AI may help improve management of stroke patients AI finds infarction in stroke patients on unenhanced CT
Source: AuntMinnie.com Headlines - March 17, 2020 Category: Radiology Source Type: news

Imaging of Acute Stroke
This article reviews the current state of imaging for acute ischemic stroke. Protocolized imaging acquisition using computed tomography in conjunction with coordinated stroke care allows for rapid diagnosis and prompt revascularization. Following the initial evidence to support endovascular therapy for large-vessel occlusion, published between 2014 and 2015, there are now guidelines supporting treatment up to 24  hours after time of onset of symptoms. Neuroimaging remains a central component in diagnosing acute stroke and potentially excluding patients from stroke treatment, as outlined in this article.
Source: Radiologic Clinics of North America - October 1, 2019 Category: Radiology Authors: Steven Hetts, Rajkamal Khangura Source Type: research

A “one-stop-shop” 4D CTA protocol using 320-row CT for advanced imaging in acute ischemic stroke: a technical note
AbstractThis technical note describes a novel CT scan protocol that includes a non-enhanced CT, dynamic CTA, and perfusion of the whole brain and CTA of the carotid arteries using a 320-row area detector CT scanner, with a unique contrast injection and acceptable radiation exposure dose in patients presenting with acute ischemic stroke. The acquisition parameters and reconstruction parameters will be discussed including the use of model-based iterative reconstruction (MBIR), time summing (tMIP), and subtraction techniques to optimize the results of this protocol.Key Points• Scanning on a 320-row area detector CT can achi...
Source: European Radiology - August 5, 2019 Category: Radiology Source Type: research

Clinical applications of diffusion weighted imaging in neuroradiology
AbstractDiffusion-weighted imaging (DWI) has revolutionised stroke imaging since its introduction in the mid-1980s, and it has also become a pillar of current neuroimaging. Diffusion abnormalities represent alterations in the random movement of water molecules in tissues, revealing their microarchitecture, and occur in many neurological conditions. DWI provides useful information, increasing the sensitivity of MRI as a diagnostic tool, narrowing the differential diagnosis, providing prognostic information, aiding in treatment planning and evaluating response to treatment. Recently, there have been several technical improve...
Source: Insights into Imaging - May 30, 2018 Category: Radiology Source Type: research

HIMSS reports attendance growth for 2018 show
LAS VEGAS - Attendance is up 4% as of the third day of this year's Healthcare...Read more on AuntMinnie.comRelated Reading: Facebook Live from HIMSS 2018: Day 2 Facebook Live from HIMSS 2018: Day 1 HIMSS: Health info exchange enables better stroke care HIMSS acquisition expands educational offerings HIMSS/SIIM paper offers advice on enterprise image viewers
Source: AuntMinnie.com Headlines - March 8, 2018 Category: Radiology Source Type: news

Optimal Acquisition Settings for Speckle Tracking Echocardiography–Derived Strains in Infants: An In Vitro Study
The purpose of this study was to investigate the effect of frame rate and probe frequency on the accuracy of speckle tracking echocardiography–derived strain measurements in infants. An infant-sized left ventricle phantom with sonomicrometer crystals was made from polyvinyl alcohol. The examined stroke rates were 60, 120 and 180 strokes per min (SPM). Longitudinal strain and circumferential strain measurements were analyzed from a total of 1860 cine loops. These cine loops were acquired using two pediatric probes of different frequencies at both fundamental and harmonic imaging modes.
Source: Ultrasound in Medicine and Biology - April 12, 2016 Category: Radiology Authors: Umael Khan, Johannes Just Hjertaas, Gottfried Greve, Knut Matre Tags: Original Contribution Source Type: research

CT perfusion in acute stroke calls: A pictorial review and differential diagnoses
Summary CT perfusion is increasingly utilised in hyperacute stroke to facilitate diagnosis and patient selection for reperfusion therapies. This review article demonstrates eight examples of how CT perfusion can be used to diagnose stroke mimics and small volume infarcts, which can be easily missed on non‐contrast CT, and to suggest the presence of an ischaemic penumbra. Radiologists involved in stroke management must understand the importance of rapid imaging acquisition and be confident in the prospective interpretation of this powerful diagnostic tool as we move into a new era of hyperacute stroke care.
Source: Australasian Radiology - December 2, 2015 Category: Radiology Authors: Albert H Chiu, Timothy J Phillips, Constantine C Phatouros, Tejinder P Singh, Graeme J Hankey, David J Blacker, William McAuliffe Tags: Medical Imaging—Review Article Source Type: research