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Brain lesions on DWI-MRI don't necessarily imply higher stroke risk
Brain lesions identified on diffusion-weighted MRI (DWI-MRI) after a patien...Read more on AuntMinnie.comRelated Reading: Thrombectomy may improve outcomes in children with LVO MRI improves outcomes in suspected stroke patients MRI links CVR reactivity to small-vessel disease in stroke patients DWI-MRI helps select suitable patients for ovarian cancer surgery Stroke indicator found on MRI could help with treatment strategies
Source: AuntMinnie.com Headlines - August 28, 2023 Category: Radiology Source Type: news

Comprehensive Update and Review of Clinical and Imaging Features of SMART Syndrome ADULT BRAIN
SUMMARY: Stroke-like migraine attacks after radiation therapy (SMART) syndrome is a delayed complication of cranial irradiation, with subacute onset of stroke-like symptoms including seizures, visual disturbance, speech impairment, unilateral hemianopsia, facial droop, and aphasia, often associated with migraine-type headache. The diagnostic criteria were initially proposed in 2006. However, the diagnosis of SMART syndrome is challenging because clinical symptoms and imaging features of SMART syndrome are indeterminate and overlap with tumor recurrence and other neurologic diseases, which may result in inappropriate clinic...
Source: American Journal of Neuroradiology - June 8, 2023 Category: Radiology Authors: Ota, Y., Liao, E., Shah, G., Srinivasan, A., Capizzano, A. A. Tags: ADULT BRAIN Source Type: research

Loading Intracranial Drug-Eluting Reservoirs Across the Blood –Brain Barrier With Focused Ultrasound
Efficient, sustained and long-term delivery of therapeutics to the brain remains an important challenge to treatment of diseases such as brain cancer, stroke and neurodegenerative disease. Focused ultrasound can assist movement of drugs into the brain, but frequent and long-term use has remained impractical. Single-use intracranial drug-eluting depots show promise but are limited for the treatment of chronic diseases as they cannot be refilled non-invasively. Refillable drug-eluting depots could serve as a long-term solution, but refilling is hindered by the blood –brain barrier (BBB), which prevents drug refills from accessing the brain.
Source: Ultrasound in Medicine and Biology - April 27, 2023 Category: Radiology Authors: Christopher T. Moody, Phillip G. Durham, Paul A. Dayton, Yevgeny Brudno Tags: Technical Note Source Type: research

How do brain cancer patients experience MRI exam follow-up?
Brain cancer patients who undergo repeated brain MRI exams for follow-up appea...Read more on AuntMinnie.comRelated Reading: Government, nonprofit hospitals aren't cheaper for brain MRI What role does MRI have to play in diagnosis of acute stroke? Can brain MRI exams of fighter jet pilots reveal space travel effects? MRI reveals link between obesity, poor pediatric brain health MRI markers show racial disparities in brain health
Source: AuntMinnie.com Headlines - April 3, 2023 Category: Radiology Source Type: news

Current state and guidance on arterial spin labeling perfusion MRI in clinical neuroimaging
This article focuses on clinical applications of arterial spin labeling (ASL) and is part of a wider effort from the International Society for Magnetic Resonance in Medicine (ISMRM) Perfusion Study Group to update and expand on the recommendations provided in the 2015 ASL consensus paper. Although the 2015 consensus paper provided general guidelines for clinical applications of ASL MRI, there was a lack of guidance on disease-specific parameters. Since that time, the clinical availability and clinical demand for ASL MRI has increased. This position paper provides guidance on using ASL in specific clinical scenarios, includ...
Source: Magnetic Resonance in Medicine - January 25, 2023 Category: Radiology Authors: Thomas Lindner Divya S Bolar Eric Achten Frederik Barkhof Ant ónio J Bastos-Leite John A Detre Xavier Golay Matthias G ünther Danny J J Wang Sven Haller Silvia Ingala Hans R J äger Geon-Ho Jahng Meher R Juttukonda Vera C Keil Hirohiko Kimura Mai-Lan Ho Source Type: research

Implementation of Automated Pipeline for Resting-State fMRI Analysis with PACS Integration
AbstractIn recent years, the quantity and complexity of medical imaging acquisition and processing have increased tremendously. The explosion in volume and need for advanced imaging analysis have led to the creation of numerous software programs, which have begun to be incorporated into clinical practice for indications such as automated stroke assessment, brain tumor perfusion processing, and hippocampal volume analysis. Despite these advances, there remains a need for specialized, custom-built software for advanced algorithms and new areas of research that is not widely available or adequately integrated in these “out-...
Source: Journal of Digital Imaging - January 3, 2023 Category: Radiology Source Type: research

Exploratory study to assess feasibility of intracerebral hemorrhage detection by point of care cranial ultrasound
ConclusionsOur exploratory analysis yielded preliminary data on use of point of care cranial ultrasound for ICH diagnosis to inform imaging techniques, cranial topography on B mode and sample size estimation for future studies to evaluate sensitivity and specificity of cranial POCUS in adult patients. This pilot study is limited by small sample size and over representation of ICH in the study. Cranial POCUS is feasible using POCUS machines and may have potential as a screening tool if validated in adequately powered studies.
Source: Critical Ultrasound Journal - October 17, 2022 Category: Radiology Source Type: research

Rapid MRI for ED stroke evaluation cuts costs, hospital length of stay
Using a rapid MRI protocol in the emergency department (ED) with people suspecte...Read more on AuntMinnie.comRelated Reading: Many significant imaging findings can be overlooked in ED patients Is neuroimaging overused for diagnosing dizziness? Short MRI comparable to CT for assessing interstitial lung disease Ultrashort brain MRI cost-effective compared to standard CT Short MRI exam shows promise for prostate cancer screening follow-up
Source: AuntMinnie.com Headlines - June 16, 2022 Category: Radiology Source Type: news

Multidelay ASL of the pediatric brain
Br J Radiol. 2022 Apr 22:20220034. doi: 10.1259/bjr.20220034. Online ahead of print.ABSTRACTArterial spin labeling (ASL) is a powerful noncontrast MRI technique for evaluation of cerebral blood flow (CBF). A key parameter in single-delay ASL is the choice of postlabel delay (PLD), which refers to the timing between the labeling of arterial free water and measurement of flow into the brain. Multidelay ASL (MDASL) utilizes several PLDs to improve the accuracy of CBF calculations using arterial transit time (ATT) correction. This approach is particularly helpful in situations where ATT is unknown, including young subjects and...
Source: The British Journal of Radiology - April 22, 2022 Category: Radiology Authors: Xavier Golay Mai-Lan Ho Source Type: research

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