Radiation Oncology/Therapy: Page 407

Delayed PET helps delineate gliomas

By Jonathan S. Batchelor

Differentiating high-grade gliomas from gray-matter structures with F-18 FDG-PET has been problematic for clinicians because of the brain's avidity for the radiotracer. A recent study from the University of Washington School of Medicine in Seattle presents evidence that extending the interval between FDG administration and PET data acquisition improves the delineation of gliomas from gray matter.

November 4, 2004

Radiation Therapy Services posts strong Q3

By AuntMinnie.com staff writers

Radiation therapy provider Radiation Therapy Services of Fort Myers, FL, reported its financial results for the third quarter and nine months (end-September 30), with strong growth in revenues and net income.

November 3, 2004

Varian adds 3D-guided imaging to linacs

By AuntMinnie.com staff writers

Varian Medical Systems has received Food and Drug Administration 510(k) clearance for conebeam CT imaging using the company's On-Board Imager device for real-time image-guided radiation therapy (IGRT) with its linear accelerators.

November 3, 2004

RITA Q3 loss grows despite higher sales

By AuntMinnie.com staff writers

Oncology device developer RITA Medical Systems of Mountain View, CA, reported that sales for the third quarter (end-September 30) were $8 million, more than double the revenue figure of $3.9 million from the third quarter of 2003.

November 3, 2004

FDG-PET better than MRI for detecting nasopharyngeal cancer recurrence

By Shalmali Pal

MRI is currently the accepted imaging modality for post-therapeutic surveillance of nasopharyngeal carcinoma (NPC), but the modality still has difficulty in differentiating postradiation changes from residual or recurrent tumor. As a result, imaging specialists from Taiwan turned to 18F-FDG-PET to test its value in NPC recurrence in patients with questionable MR findings.

November 3, 2004

MDCT protocols weighed for cancers of larynx, hypopharynx

By Eric Barnes

Good old axial slices do the best overall job of imaging the larynx and hypopharynx, though other planes and techniques have their own strengths, according to researchers from the University of Erlangen-Nuremberg in Germany.

November 2, 2004