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November 2008 Blog Posts (124)

PET/CT in prostate cancer influences staging, treatment strategy

November 30, 2008 DiagnosticImaging.com. PET/CT in prostate cancer influences staging, treatment strategy By Shalmali Pal Prostate-specific antigen measurements are considered a useful organ-specific marker, but they are not necessarily an adequate tumor marker. PET/CT in combination with PSA levels can play a significant role in detecting and staging prostate cancer, according to two presentations Sunday at RSNA 2008. Dr. Nghi Nguyen presented his multi-institutional group's work on the… Continue

Added by Diagnostic Imaging on November 30, 2008 at 11:30pm — No Comments

Naviscan readies PET biopsy

November 30, 2008 DiagnosticImaging.com. Naviscan readies PET biopsy By Greg Freiherr PET niche developer Naviscan arrived at the RSNA meeting with permission from the FDA to launch its Stereo Navigator, a biopsy guidance feature for its breast-specific PET scanner. Stereo Navigator can localize lesions as small as 2 mm. It uses a stereotactic frame fixed between the scanner's paddles to guide a biopsy needle into the breast. Localization is verified using a PET-visible line source inserted… Continue

Added by Diagnostic Imaging on November 30, 2008 at 11:30pm — No Comments

MRI shows residual breast cancer disease better than other modalities

November 30, 2008 DiagnosticImaging.com. MRI shows residual breast cancer disease better than other modalities By Rebekah Moan Preliminary results from American College of Radiology Imaging Network Trial 6657 show that MRI estimates residual breast cancer disease area better than clinical exams or mammography. The study is a part of the national I-SPY collaborative trial of imaging and biomarkers for monitoring and guiding preoperative treatment for women with breast cancer. …

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Added by Diagnostic Imaging on November 30, 2008 at 11:30pm — No Comments

Lung cancer staging undergoes major overhaul

November 30, 2008 DiagnosticImaging.com. Lung cancer staging undergoes major overhaul By Philip Ward The imminent publication of eagerly anticipated new international guidelines promises to transform the complex area of lung cancer staging. In two separate education exhibits at RSNA 2008, presenters from the U.S. and France urge all radiologists to become familiar with the seventh edition of the tumor, node, metastasis classification for lung cancer. The International Association for the Study… Continue

Added by Diagnostic Imaging on November 30, 2008 at 11:30pm — No Comments

Learning never stops in globalized world of healthcare

November 30, 2008 DiagnosticImaging.com. Learning never stops in globalized world of healthcare By Donna Domino Lifelong learning in an era of globalized healthcare science and practice is essential, according to Sunday's opening session of RSNA 2008, which also stressed the need for standardization in training and certification. RSNA president Dr. Theresa McLoud noted that the concept of lifelong learning, named by the United Nations Educational, Scientific and Cultural Organization (UNESCO)… Continue

Added by Diagnostic Imaging on November 30, 2008 at 11:30pm — No Comments

Laitek speeds data migration

November 30, 2008 DiagnosticImaging.com. Laitek speeds data migration By Greg Freiherr Sites saddled with an aging PACS have to worry, at least a little, about the transition to a new one. Homewood, IL-based Laitek considered the problem of getting from PACS A to B in the development of an enhanced data migration package, dubbed Migratek Version 2 Advanced Migration Services, which debuted at RSNA 2008. Laitek is pitching its enhanced version of Migratek as being five to 10 times faster than… Continue

Added by Diagnostic Imaging on November 30, 2008 at 11:00pm — No Comments

IT providers combine telerad and PACS

November 30, 2008 DiagnosticImaging.com. IT providers combine telerad and PACS By Greg Freiherr PACS/IT vendor Emageon and teleradiology provider Virtual Radiologic showcased teleradiology products at the RSNA meeting. Emageon's Outside Study Gateway (OSG) allows facilities to transmit PACS images to a recipient hospital's PACS. Studies are transmitted securely across a virtual private network, with OSG software automatically performing integrity checks of the data. Virtual Radiologic's feature… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:30pm — No Comments

Invivo unveils next-generation MR-compatible monitor

November 30, 2008 DiagnosticImaging.com. Invivo unveils next-generation MR-compatible monitor By Greg Freiherr Invivo introduced at RSNA 2008 its sixth-generation vital signs monitor for use in MR suites. The Precess Patient Management Configuration uses the industry's first wireless ECG and wireless SpO2 patient vital signs. Built on the company's flagship Precess 3160 platform, the new system features a flexible mounting that allows attachment to anesthesia machines, a wall, or an MRI table.… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:30pm — No Comments

IMIX unveils new DR products

November 30, 2008 DiagnosticImaging.com. IMIX unveils new DR products By Greg Freiherr Digital radiography specialist IMIX Americas introduced at RSNA 2008 two DR systems and software for processing radiographs. Designed for smaller facilities, the compact SomaRad DR system can be installed in rooms with ceilings only eight feet high. The ChiroRad DR system is tailored to fit chiropractic offices. IMIX workstation software, with an enhanced user interface, allows the seamless integration of… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:30pm — No Comments

GE features new flagship CT

November 30, 2008 DiagnosticImaging.com. GE features new flagship CT By Greg Freiherr The superpremium Discovery CT750 HD (high definition) CT scanner debuted Sunday in the GE Healthcare booth. It features technology shown as work-in-progress at last year's RSNA meeting that boosts spatial resolution to 230 microns and improves contrast resolution 33% in the body to 21.5 lp/cm and 47% in the heart to 14 lp/cm, according to the company. Another improvement, Volume Shuttle, extends the breadth of… Continue

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Following simple steps can minimize risk of being sued

November 30, 2008 DiagnosticImaging.com. Following simple steps can minimize risk of being sued By Philip Ward Legal and regulatory issues have a growing impact on how radiologists perform procedures and studies, report results, and structure their practices. Implementing a simple checklist may help to reduce the prospect of being sued for malpractice. "Most radiologists lack insight on, and guidance to, the relevant issues. This creates an environment of confusion and conflict that benefits… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:30pm — No Comments

Diffusion tensor imaging measurements may help diagnosis of spinal cord trauma

November 30, 2008 DiagnosticImaging.com. Diffusion tensor imaging measurements may help diagnosis of spinal cord trauma By Donna Domino A new technique may help characterize diffusion anisotropy in the spinal cord in a clinical setting. Researchers have determined that using 3D single-shot diffusion-weighted stimulated echo-planar imaging in the cervical spinal cord results in higher resolution and less distortion than 2D single-shot diffusion-weighted echo-planar imaging. Although… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:30pm — No Comments

CTC surveillance edges optical coloscopy for management of small polyps

November 30, 2008 DiagnosticImaging.com. CTC surveillance edges optical coloscopy for management of small polyps By John C. Hayes Using surveillance of 6 to 9-mm polyps with CT colonography instead of referring them for immediate colonoscopy and polypectomy provides a significant cost-effectiveness edge, according to a study presented Sunday. Death rates might increase by a small amount with a CTC surveillance strategy, but it would avoid nearly 10,000 colonoscopy referrals and, with them, 10… Continue

Added by Diagnostic Imaging on November 30, 2008 at 10:00pm — No Comments

Viztek offers CR/PACS combo

November 30, 2008 DiagnosticImaging.com. Viztek offers CR/PACS combo By Greg Freiherr If digital radiography beckons but funds are a problem, Viztek may have the answer. The company introduced at RSNA 2008 a turnkey CR/PACS. Its new Opal-MD combines enterprise-level Opal-RAD PACS with Kodak's Point-of-Care CR. The value-priced package is designed specifically for private practice physicians, yet it will deliver a range of advanced features. These include digital image viewing in multiple exam… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:30pm — No Comments

Triage using coronary CTA permits early discharge from ER

November 30, 2008 DiagnosticImaging.com. Triage using coronary CTA permits early discharge from ER By James Brice Results of a three-year trial at Massachusetts General Hospital show that half of patients presenting with chest pain but at low or intermediate risk of acute coronary syndrome can be safely discharged following a negative 64-slice coronary CT evaluation. The Rule-out Myocardial Infarction Using Computer-Assisted Tomography (ROMICAT) study prospectively evaluated 368 patients who… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:30pm — No Comments

SuperSonic builds on breast elastrography

November 30, 2008 DiagnosticImaging.com. SuperSonic builds on breast elastrography By Greg Freiherr Elastrography forms the cornerstone of an ultrasound system unveiled by first-time RSNA exhibitor SuperSonic Imagine. The Aixplorer system is dedicated to breast imaging. It differentiates healthy from cancerous tissues by quantifying differences in the elasticity of the tissues. SuperSonic's ShearWave Elastography technique produces consistent results regardless of the operator's skill,… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:30pm — No Comments

Standardized chemoembolization protocol boosts liver cancer patient survival

November 30, 2008 DiagnosticImaging.com. Standardized chemoembolization protocol boosts liver cancer patient survival By H.A. Abella Results from the largest and longest trial of its kind suggest that patients with intermediate and advanced hepatocellular carcinomas who undergo systematic treatment with three chemotherapeutic agents and arterial embolization plus imaging follow-up have better survival rates than those who undergo nonstandardized chemoembolization regimes. That was the message… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:30pm — No Comments

Siemens unveils flagship low-dose, high-res CT

November 30, 2008 DiagnosticImaging.com. Siemens unveils flagship low-dose, high-res CT By Greg Freiherr A new CT scanner built on Siemens' unique dual-source x-ray technology promises to dramatically reduce dose and eliminate motion artifact in the chest. Using two x-ray tubes and matching detectors, the Somatom Definition Flash, debuted at RSNA 2008, opens the door to routine scanning of the coronaries, according to the company. It requires only a fraction of the radiation dose of other… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:30pm — No Comments

Resonance Technology puts patient comfort on top

November 30, 2008 DiagnosticImaging.com. Resonance Technology puts patient comfort on top By Greg Freiherr Patient comfort during MR and the efficiency of functional MR got a boost at RSNA 2008 with the unveiling by Resonance Technology of enhancements to its CinemaVision audio video systems and FuncLAB automated fMRI image data processor. A new audio phone is integrated into CinemaVision's headset. This enables the technologist to hear the patient distinctly during scans and allows for… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:00pm — No Comments

Philips ultrasound upgrade targets breast imaging

November 30, 2008 DiagnosticImaging.com. Philips ultrasound upgrade targets breast imaging By Greg Freiherr Enhancements in breast imaging mark the latest ultrasound upgrade from Philips Healthcare. Tissue aberration correction technology and algorithms built into the Vision 2009 upgrade for its iU22 radiological flagship are part of an integrated effort to better define tissue in fatty breasts, according to the company. An enabling technology is the Philips PureWave transducer and its coded… Continue

Added by Diagnostic Imaging on November 30, 2008 at 8:00pm — No Comments

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