4th International Conference on Medical Imaging with Deep Learning Jul 07, 2021 - Jul 09, 2021 — Virtual Meeting (online)
Medical Image Understanding and Analysis Conference 2021 Jul 12, 2021 - Jul 14, 2021 — Virtual Meeting (online)
Medical Imaging Convention [rescheduled] Sep 15, 2021 - Sep 16, 2021 — National Exhibition Centre, Birmingham, England
2021 SINAPSE ASM Sep 16, 2021 - Sep 17, 2021 — Technology & Innovation Centre, University of Strathclyde, 99 George Street, Glasgow
Total Body PET 2021 conference [rescheduled] Sep 22, 2021 - Sep 24, 2021 — Virtual Meeting (online)


SINAPSE experts from around Scotland have developed ten online modules designed to explain medical imaging. They are freely available and are intended for non-specialists.

Edinburgh Imaging Academy at the University of Edinburgh offers the following online programmes through a virtual learning environment:

Neuroimaging for Research MSc/Dip/Cert

Imaging MSc/Dip/Cert

PET-MR Principles & Applications Cert

Applied Medical Image Analysis Cert

Online Short Courses

The use of diffusion-weighted magnetic resonance imaging to identify infarctions in patients with minor strokes

Author(s): J. M. Wardlaw, P. Armitage, M. S. Dennis, S. Lewis, I. Marshall, R. Sellar

BACKGROUND: Diffusion-weighted magnetic resonance imaging (DWI) shows cerebral infarction within minutes of its occurrence, but its value in clinical management after the stroke is less clear. We evaluated DWI scans in patients with minor strokes to determine whether DWI was helpful in identifying the stroke lesion and how long after the stroke could DWI still identify the lesion. METHOD: Patients admitted to our hospital with symptoms of a lacunar or minor cortical or posterior fossa stroke underwent T2 and proton density magnetic resonance imaging (MRI) of the brain, followed by DWI on a 1.5 Tesla Siemens scanner. The individual MR sequence images were examined (blind to each other and clinical information) to identify any recent infarction. RESULTS: In 40 subjects (13 lacunes, 17 cortical, 5 posterior circulation infarctions, 2 transient ischemic attacks [TIAs] and 3 non-stroke), DWI scans showed the recent infarction clearly (even tiny ones) in 24 subjects (60%), in 12 of whom no infarction was visible on the T2 or proton density images. DWI also correctly excluded infarction in patients subsequently found not to have had a stroke. The diffusion abnormality was visible for up to 23 days after the stroke. CONCLUSION: DWI is useful for pinpointing the site of small infarctions that are either not visible or not distinguishable from previous lesions on T2 or proton density MRI, up to at least 3 weeks after the stroke. This may assist with planning further management of the stroke. The clinical use of DWI should not be restricted to just the first few hours after the stroke.

Full version: Available here

Click the link to go to an external website with the full version of the paper

ISBN: 1532-8511
Publication Year: 2000
Periodical: J Stroke Cerebrovasc Dis
Periodical Number: 2
Volume: 9
Pages: 70-5
Author Address: