Neuroradiology: Page 225

BrainLab gets FDA nod

By AuntMinnie.com staff writers

Image-guided surgery developer BrainLab has received Food and Drug Administration clearance for its VectorVision Fluoro 3D spinal surgery system.

August 18, 2003

AIDS specialist advocates tailored imaging in HIV-positive patients

Choosing the right imaging tool at the right time is vital for evaluating patients with HIV disease, according to Dr. Gabriele Arendt from the University of Dusseldorf in Germany. MRI, for instance, is best suited for the late stages of AIDS, while PET and spectroscopy can yield information before clinical signs appear.

August 6, 2003

MR study shows antidepressants shield hippocampus from deterioration

By Bruce Sylvester

Antidepressant drugs appear to protect the hippocampus, a key brain structure often damaged by depression, researchers report in the August American Journal of Psychiatry. Investigators from the Washington University School of Medicine in St. Louis used MRI to measure hippocampal volumes.

August 4, 2003

Researchers explore photoacoustic tomography of the brain

By Kate Madden Yee

In an article published in Nature Biotechnology, a group at Texas A&M University in College Station report on the use of a relatively new kind of optical imaging technology, laser-induced photoacoustic tomography (PAT) for neuroscience applications.

July 29, 2003

MR reveals details of long-standing brain infarcts

(Radiology Review) Radiologists at Aristotele University of Thessaloniki, Greece, presented detailed information regarding cortical laminar necrosis in brain infarcts on MRI in Neuroradiology.

July 29, 2003

ISDSA a solid choice for complex vascular procedures

(Radiology Review) A recent study out of Philipps-Universität in Marburg evaluated intraoperative spinal digital subtraction angiography (ISDSA). According to the German neurosurgeons, "ISDA is safe and effective, especially in surgery for complex vascular and recurrent malformations."

July 24, 2003

The blind show superiority in verbal memory tasks on MR

Investigators from Israel used functional MRI (fMRI) to show that strong verbal memory in the blind is more than just an anecdotal belief -- there is an anatomical basis for the phenomenon.

July 23, 2003

Researchers use diffusion imaging to trace connections in human brain

By Kate Madden Yee

Investigators from the U.K. explore the connections between the human thalamus and cortex using diffusion MRI data and what they call a probabilistic tractography algorithm.

July 15, 2003

Brain MR scans validate individualized pain ratings

By Bruce Sylvester

An MR study indicates that how much pain a person can withstand is highly individualized. In an online edition of the Proceedings of the National Academy of Sciences, international researchers offered objective proof of differences in pain sensitivity.

July 7, 2003

MRI reveals how reading skills mature

By Shalmali Pal

A functional MRI study has shed light on the different brain processes involved in reading as children grow into adulthood. According to research published in Nature Neuroscience, kids rely on phonetic cues to decode words at first, but later learn to consolidate letter sequences and identify them as whole units.

June 29, 2003

BrainLab moves into Asia

By AuntMinnie.com staff writers

Image-guided-surgery firm BrainLab has opened new offices in Seoul, Korea, and Kuala Lumpur.

June 22, 2003

PET, SPECT guide pre-op seizure localization in epilepsy

By Shalmali Pal

NEW ORLEANS - Epileptic patients who are resistant to anti-seizure medication may be helped by surgery. However, the success of an operation depends on the localization results of PET and SPECT imaging. At the 2003 Society of Nuclear Medicine meeting, Dr. Christopher Rowe from Austin Hospital in Melbourne, Australia discussed imaging's vital role in preoperative planning.

June 21, 2003

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