Neuroradiology: Page 207

MRI pegs cognitive dysfunction as noteworthy clinical feature in multisystem APS
By Shalmali Pal
Cerebral microvasculopathy could be an underlying mechanism for cognitive dysfunction, based on MR studies performed in patients with antiphospholipid syndrome (APS), according to Greek investigators.
January 2, 2007
Siemens, UCLA to test Alzheimer's PET agent
By AuntMinnie.com staff writers
Siemens Medical Solutions of Malvern, PA, announced today that it plans to begin clinical trials in collaboration with the University of California, Los Angeles, on a new biomarker based on PET technology that could potentially identify Alzheimer's disease before the onset of symptoms.
December 20, 2006
PET reveals limbic dysfunction in mesial temporal lobe epilepsy
By Paula Moyer
Patients with mesial temporal lobe epilepsy (MTLE) who have an abnormal odor perception may have widespread limbic dysfunction, according to a presentation by Swedish investigators at the North American Regional Epilepsy Congress in San Diego earlier this month.
December 18, 2006
High-field MRI of the brain safely acquired in pacemaker patients
By Eric Barnes
With the increasing number of implanted pacemakers, too many patients who need an MRI can't be scanned with the modality. Or can they? Researchers from the University of Bonn in Germany put scores of pacemakers to the test on a 3-tesla scanner, and found no significant heating or degradation of function.
December 14, 2006
Calcium contrast boosts T2-weighted signal in molecular MRI
By Shalmali Pal
A calcium-sensitive contrast agent, married with superparamagnetic iron oxide particles (SPIO), could make MR studies of the brain on a molecular level feasible, according to researchers from the Massachusetts Institute of Technology in Cambridge.
December 5, 2006
Pilot study shows stereotactic radiosurgery safely treats epileptic seizures
By Edward Susman
SAN DIEGO - For patients who want to avoid open surgery, stereotactic radiosurgery offers a safe alternative for the treatment of mesial temporal lobe epilepsy, according to a presentation this week at the North American Regional Epilepsy Congress.
December 5, 2006
Intravenous aspirin reduces complications in brain aneurysm embolization
By Edward Susman
CHICAGO - Patients who were treated with intravenous acetylsalicylic acid, commonly known as aspirin, had significantly reduced thromboembolic events when doctors attempted to perform embolization of cerebral aneurysms, according to a study presented at the 2006 RSNA meeting.
November 30, 2006
BrainLab unveils neuro package
By AuntMinnie.com staff writers
Image-guided therapy firm BrainLab of Munich, Germany, has launched iPlan Neuroradiology, an image processing tool for diagnosis and planning that combines image fusion of different modalities and segmentation algorithms for brain anatomy functionality.
November 29, 2006
DTI links back pain with structural brain changes
By Edward Susman
CHICAGO - That nagging pain in your back might actually be caused by changes in the microstructure of your brain, according to a study presented at the 2006 RSNA meeting. German researchers used diffusion tensor imaging (DTI) with a 1.5-tesla MRI system to compare the brain function of patients with and without chronic low back pain.
November 28, 2006
MRS finds that smoke gets in the brain as well as the eyes
CHICAGO - Proton magnetic resonance spectroscopy (H-MRS) has provided the first proof that smoking changes the chemistry of the brain -- but the good news is that the changes can be reversed, according to researchers from Germany.
November 27, 2006
Skip gadolinium for MRA surveillance of endovascular coils
By Shalmali Pal
CHICAGO - Gadolinum-enhanced MR angiography (MRA) for following up coil treatment in intracranial aneurysm patients makes the exam more costly and less efficient, according to a presentation this week at the RSNA meeting.
November 26, 2006
MRI spots white-matter changes in movement disorder patients
By Edward Susman
People who suffer from idiopathic dystonia may have an underlying structural brain structure anomaly that contributes to the physical spasms that are manifest in the disorder, according to researchers from the University of South Carolina in Columbia. Using diffusion tensor MRI, they scanned patients with and without dystonia, and found white-matter abnormalities in the patients with the disorder.
November 23, 2006
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