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News & Trends - Medical Technology

First total body PET-CT scanner launched at RPA hospital

Health Industry Hub | June 4, 2021 |
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MedTech News: The official launch of Australia’s first total body PET-CT scanner took place at Royal Prince Alfred (RPA) Hospital.

As one of only two globally available systems, Siemens Healthineers’ Biograph Vision Quadra PET/CT scanner extends axial field of view (FOV) that allows for simultaneous whole-body imaging.

Dr Michael Fulham and his team at RPA Molecular Imaging Department have coordinated the acquisition of this innovation.

A recent study investigated the performance of the new long axial FOV Biograph Vision Quadra PET/CT and a standard axial FOV Biograph Vision 600 PET/CT systems using an intra-patient comparison. The authors concluded that “Improved image quality, lesion quantification and signal to noise (SNR) resulting from higher sensitivity were demonstrated for an long axial FOV system in a head-to-head comparison under clinical conditions.

“The long axial FOV system could deliver images of comparable quality and lesion quantification in under 2 min, compared to standard axial FOV acquisition (16 min for equivalent FOV coverage). Alternatively, the long axial FOV system could allow for low-dose examination protocols. Shorter long axial FOV acquisitions (0.5 min), while of lower visual quality and SNR, were of adequate quality with respect to target lesion identification, suggesting that ultra-fast or low-dose acquisitions can be acceptable in selected settings.”

The large FOV allows clinicians to examine patient anatomy during radiopharmaceutical uptake in shorter periods of time and allows for radiation oncology planning for larger patients. Scans, particularly for paediatric patients, can also be done faster and at a potentially lower radiation dose. It also has applications in therapy research.

In Europe, where the Biograph Vision Quadra is already approved and in use, clinicians are using the scanner for high throughput images, cut from 20 minutes to three to five minutes.

The Biograph Vision Quadra can be installed in the same footprint as a traditional PET/CT scanner, so no additional construction is necessary to accommodate the scanner, which has a 78-centimeter bore.

The market for this new scanner includes large academic research facilities and high-end oncology centres.


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