Subspecialties: Page 1443

Cocaine abuse may irreversibly damage dopamine neurons

Chronic cocaine users experience the loss of a transporter protein, which could indicate damage to striatal dopamine fibers and permanent neuronal changes. Researchers from Michigan worked with a selective radiotracer to illustrate the molecular mechanisms of cocaine addiction.

January 19, 2003

Production of palladium BrachySeed version halted

By AuntMinnie.com staff writers

Pharmaceutical firm Cytogen and radiopharmaceutical manufacturer DraxImage said that production and sales of the palladium version of their BrachySeed prostate cancer brachytherapy implants have been halted for an unspecified period of time.

January 16, 2003

E-Z-EM posts positive Q2

By AuntMinnie.com staff writers

Virtual colonoscopy and contrast developer E-Z-EM reported fiscal 2003 second-quarter sales of $32.9 million, up 8% compared with the $30.6 million posted in its 2002 fiscal second quarter.

January 14, 2003

Workflow issues key in virtual colonoscopy

By Eric Barnes

At a screening symposium in Boston, Dr. Alec Megibow from New York University addressed the most important workflow issues surrounding virtual colonoscopy services.

January 14, 2003

Lung cancer screening not cost-effective, say Johns Hopkins researchers

By Eric Barnes

CT's value as a lung cancer screening tool may be outweighed by the potential risk of evaluating nodules that turn out to be benign, according to researchers from Johns Hopkins University in Baltimore.

January 13, 2003

Cbyon gets CE Mark

By AuntMinnie.com staff writers

Surgical visualization and navigation firm Cbyon of Mountain View, CA, has received CE Mark approval for its Cybon Suite image-guided surgery technology, enabling the product to be marketed in Europe.

January 13, 2003

fMRI reveals secrets of better memory

By Tracie L. Thompson

A Nature Neuroscience study using functional MR imaging has found that people with exceptional memorization skills show increased activity in certain regions of the brain during their mental recall efforts.

January 12, 2003

Mobile PET on the move

By AuntMinnie.com staff writers

Nuclear medicine developer Mobile PET Systems has added new clients and services.

January 8, 2003

MRI pinpoints meniscal tears, proves less valuable for knee trauma

By Shalmali Pal

When it comes to meniscal tears of the knee, MRI can help radiologists home in on the exact source of pain. On the other hand, MRI may not be as valuable for traumatic knee injuries in an emergency setting. These are the conclusions reached by two studies presented at the 2002 RSNA meeting in Chicago.

January 8, 2003

MRI pinpoints meniscal tears, proves less valuable for knee trauma

MRI was performed on the symptomatic knee, as well as the contralateral asymptomatic knee, in 100 patients with a mean age of 42.7 years (59 male; 41 female). Imaging was done on either a 1-tesla Magnetom Expert or a 1.5-tesla Magnetom Symphony scanner.

January 8, 2003

Pleural effusion common in post-op x-rays of coronary bypass patients

By Shalmali Pal

More than 2,000 coronary artery bypass graft procedures are performed yearly at Saint Thomas Hospital in Nashville, and at least 40% of patients who undergo CABG develop a pleural effusion in the immediate postoperative period.

January 7, 2003

In a screening population, virtual colonoscopy finds significant polyps

By Eric Barnes

Will virtual colonoscopy perform as well in a screening population as it does in high-risk patients? At the 2002 RSNA meeting, Dr. Michael Macari presented one of the first studies to evaluate the CT technique in subjects with a lower incidence of disease.

January 6, 2003

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