Neuroradiology: Page 54

MR scans may detect signs of early dementia in elderly

By Rosemary Frei

TORONTO - MRI can detect signs of white-matter hyperintensity in the elderly that may indicate three times the risk of developing dementia, according to a French study presented this week at the American Academy of Neurology's annual meeting.

April 13, 2010

High rates of silent cerebral emboli after transfemoral aortic valve implantation

By Reuters Health

NEW YORK (Reuters Health), Apr 12 - Silent cerebral embolism is common after transfemoral aortic valve implantation, German researchers report in the April 6 issue of the Journal of the American College of Cardiology.

April 11, 2010

Brain images suggest Alzheimer's drug could work

By Reuters Health

LONDON (Reuters), Mar 2 - New imaging technology suggests an experimental drug for Alzheimer's reduces clumps of plaque in the brain by around 25%, giving potential new life to a medicine that disappointed in clinical tests two years ago.

March 1, 2010

Functional MRI shows brain activity in some vegetative patients

By Wayne Forrest

Using functional MRI, researchers have found some brain activation, awareness, and cognition in a handful of patients in a vegetative or minimally conscious state, according to research published online February 3 by the New England Journal of Medicine.

February 3, 2010

MRI shows that exercise may increase brain volume

By Wayne Forrest

MR images show that exercise prompts an increase in hippocampal brain volume in patients with schizophrenia, as well as in healthy people, according to the February issue of Archives of General Psychiatry.

January 31, 2010

Treating subclinical neonatal seizures may prevent brain injury

By Reuters Health

NEW YORK (Reuters Health), Jan 26 - Prompt treatment of subclinical and clinical seizures in newborns with hypoxic-ischemic encephalopathy can potentially decrease brain injury, according to a prospective trial from Belgium and the Netherlands.

January 25, 2010

DOPA-PET/CT can alter therapy for neuroendocrine tumors

By Wayne Forrest

Swiss researchers have found that combined fluorine-18 dihydroxyphenylalanine (F-18 DOPA) contrast-enhanced PET/CT is "significantly superior" to DOPA-PET and contrast-enhanced CT in detecting neuroendocrine tumors.

January 14, 2010

DTI beats standard MRI in predicting early memory loss, study shows

By Wayne Forrest

Italian researchers say that MRI with a diffusion tensor imaging (DTI) technique appears to be superior to conventional MRI in detecting brain changes that predict future memory decline, according to a study published online on January 6 in Neurology.

January 5, 2010

Ultrasound signals of asymptomatic emboli predict stroke risk

By Reuters Health

NEW YORK (Reuters Health), Dec 7 - Asymptomatic emboli detected by transcranial Doppler ultrasonography can predict stroke risk, according to a report in the December issue of Stroke.

December 6, 2009

Radiation of gangliogliomas is potentially useful only when total resection can't be done

By Reuters Health

NEW YORK (Reuters Health), Dec 3 - In a large series of patients with very rare gangliogliomas, gross total resection (GTR) provided the best outcomes. When only subtotal resection (STR) was possible -- as was often the case -- postoperative radiotherapy improved local control but not survival.

December 2, 2009

Functional MRI may help with prognosis for comatose patients

By Wayne Forrest

French researchers have found good agreement between functional MRI (fMRI) and FDG-PET in assessing brain function in comatose patients. Their research indicates that fMRI potentially could help guide treatment of these individuals.

October 25, 2009

Brain iron may play role in multiple sclerosis progression

By Reuters Health

NEW YORK (Reuters Health), Oct 15 - Hyperechogenicity during transcranial brain sonography, thought to reflect iron accumulation, appears to be associated with subsequent progression of multiple sclerosis, German researchers report in the September 29 issue of Neurology.

October 14, 2009

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