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Panorama HFO adds benefits in radiotherapy treatment planning

Clinical News
Johannessen, Dag Clement, MD Oslo, Ullevål University Hospital Norway
Storetvedt, Line Oslo, Ullevål University Hospital Norway

The gold standard for radiation treatment planning has always been CT. But now, with Panorama High Field Open Oncology Configuration being developed by Philips, clinicians at Ullevål University Hospital are adding the excellent soft-tissue imaging of MR to RT planning. MR helps better visualize lesion boundaries, making it easier to irradiate the lesion and avoid surrounding tissue.
 Dag Clement Johannessen, MD Line Storetvedt, RT
Dag Clement Johannessen, MD
Line Storetvedt, RT
 Panorama HFO Oncology Configuration Dose plan prostate, based on CT and MR images.
Panorama HFO Oncology Configuration
Dose plan prostate, based on CT and MR images.

Clinicians at Ullevål University Hospital (Oslo, Norway) are integrating MR into plans

The Hospital began using the Panorama HFO in 2007 for RT planning. Since then, more than 900 patients have had the benefits of MR in their treatment plans.

Dag Clement Johannessen, MD, oncologist at Ullevål University Hospital uses a combination of MR and CT to help develop RT plans for his prostate patients. "MR is better for delineating the prostate, especially the borders with the bladder, the apex and seminal vesicles. We see the structure more clearly with MR, and we use CT for dosimetry."

Panorama suited for RT planning

So that MR and CT images are aligned when overlaid, Philips developed a laser positioning system that ensures the patient is positioned in the same location in both scans, as well as a flat tabletop for the Panorama. Quality assurance protocols and phantoms are provided for image distortion evaluation and laser alignment. Dedicated software completes the Panorama RT support package.

Line Storetvedt, RT, says the Panorama's large patient space is an advantage. "We use a lot of materials for patient fixation and it all fits into the Panorama. We also have the capability of moving the isocenter if necessary."

More patients scanned

In addition to prostate patients, Ullevål University Hospital is using the setup for treatment planning in bladder, lower rectum and brain patients. The Hospital's diagnostic radiologists use Panorama one day a month, for children and obese or claustrophobic patients who might not be able to be scanned in a cylindrical system.

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Nov 21, 2010

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Clinical News
Panorama HFO
Release 2.5, Release 2.6
Bladder, Body, Neuro, Oncology, Prostate

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