News | July 22, 2007

New 3D Imaging System for Image Guided Interventions

Source: www.aapm.org

July 23, 2007 - A new type of cone-beam computed tomography (CBCT) imaging system could enable surgeons and interventional radiologists to perform minimally invasive procedures under the guidance of 3-D images acquired during surgery with sub-millimeter spatial resolution. Medical physicists and engineers from the University Health Network in Toronto and Siemens Medical Solutions will present this technology at the 49th Annual Meeting of the American Association of Physicists in Medicine (AAPM), taking place July 22-26, 2007.

Image-guided interventions have conventionally relied on image data acquired before the procedure on a diagnostic CT or magnetic resonance (MR) scanner. However, reliance on preoperative images does not allow visualization of changes imparted during a surgical procedure, such as seeing what remains of a tumor after it is removed.

This imaging promises to overcome these conventional limitations by providing image updates during the procedure. One new technology showing particular promise is CBCT implemented on a surgical C-shaped arm.
Research at the University of Toronto, headed by Jeffrey Siewerdsen, in collaboration with clinical researchers at the University Health Network and at Siemens Medical Solutions (SMS), has yielded a 3-D imaging technology that could provide physicians with sub-millimeter spatial resolution and soft tissue visibility during surgery in near real-time. The technology involves the development of CBCT on a mobile C-arm to acquire a full-volume image in a single rotation around the patient.

While the image quality achieved with early cone-beam CT prototypes is not quite equivalent to that of a high-performance diagnostic CT scanner, image quality has been shown to be sufficient to guide surgeons and radiologists with respect to soft-tissue targets and critical structures.
Patients have been successfully treated with the prototype in a research setting, with trials underway in a broad spectrum of surgical and interventional procedures ranging from tumor ablation to orthopedic surgery and brachytherapy. High-quality intraoperative imaging provided by C-arm CBCT is expected to dramatically improve surgical performance and expand the application of minimally invasive interventions to cases that would be otherwise untreatable.

For more information: www.aapm.org, www.uhn.ca

Related Content

Houston Methodist Hospital Enters Multi-Year Technology and Research Agreement With Siemens Healthineers
News | Imaging | August 17, 2017
Houston Methodist Hospital and Siemens Healthineers have entered into a multi-year agreement to bring cutting-edge...
Four Blue Cross Blue Shield Companies Issue Positive Medical Policies on HeartFlow FFRct Analysis
News | Computed Tomography (CT) | August 09, 2017
HeartFlow Inc. announced that four Blue Cross Blue Shield companies have each issued a positive medical policy for the...
The American Lung Association created LUNG FORCE, a national movement to defeat lung cancer
News | Lung Cancer | August 02, 2017
To raise public awareness of lung cancer—the leading cancer killer of men and women—the American Lung Association's...
GE’s DoseWatch is a digital informatics solution that automatically collects, monitors and reports on radiation dose indices for diagnostic imaging exams
News | Radiation Dose Management | July 31, 2017
GE Healthcare announced that it has licensed computed tomography (CT) organ dosimetry technology developed at Duke...
Contrast Media from Bayer, trends in contrast media and developments in contrast media
Feature | Contrast Media | July 28, 2017 | By Dave Fornell
Here are several updates in medical imaging ...
New York Hospital Finds Significant Cost Savings With Toshiba’s Aquilion One CT
News | Computed Tomography (CT) | July 25, 2017
In five years, Kaleida Health’s Stroke Care Center (SCC) at the Gates Vascular Institute in Buffalo, N.Y., has realized...
Samsung Introduces FDA-Cleared BodyTom Elite CT Scanner
Technology | Computed Tomography (CT) | July 24, 2017
Samsung announced U.S. Food and Drug Administration (FDA) approval of the BodyTom Elite, an upgraded version of its...
Sponsored Content | Videos | CT Angiography (CTA) | July 21, 2017
DAIC and ITN Editor Dave Fornell discusses some of the most innovative new computed tomography (CT) technology and tr
ACR Updates Radiation Oncology and Medical Physics Guidance With ASTRO and AAPM
News | Radiation Dose Management | July 19, 2017
July 19, 2017 — The American College of Radiology (ACR) recently collaborated with professional medical societies to
Sponsored Content | Videos | CT Angiography (CTA) | July 19, 2017
Matthew Budoff, M.D., FACC, professor of medicine, David Geffen School of Medicine at UCLA, endowed chair of preventi
Overlay Init