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Welcome to the February 2018 e-Lectron e-news from RadPro, This month we have a Medical Physics Tools, Treatment Planning and Dosimetry special feature

What’s new on RadPro – Live Radiotherapy News Feed

To keep up to date with the latest radiotherapy news, use this link or download our APP onto your iPhone, iPad or Android phone, we issue around 20 news items each day.

Medical Physics Tools, Treatment Planning and Dosimetry special feature

East London Trust enhances QA workflow with excellence in quality assurance and treatment plan system verification

Barking, Havering and Redbridge University Hospitals NHS Trust (BHRUT) has updated its Quality Assurance (QA) portfolio to enhance QA workflow and treatment plan system verification. The range of systems in use with others soon to be deployed include COMPASS and Dolphin Patient QA from IBA, ImSimQA™ from Oncology Systems Limited and Modus Medical’s QUASAR™ Penta-Guide Phantom.

The radiotherapy department is using the myQA global quality assurance system from IBA to connect all its QA applications, people and knowledge via a single cloud-based platform. This also provides access to IBA’s Compass, for 2-in-1 patient dose QA in 3D patient anatomy and the Stealth Chamber Reference Detector, a unique perturbation-free ‘beam invisible’ reference signal chamber for relative dosimetry. The Dolphin® Online Ready technology has also been selected to ensure efficient pre-treatment patient QA process. Read more on the OSL website.

The PTW T-REF chamber – the new reference detector for small field dosimetry?

The 34091 T-REF chamber is a large-area plane-parallel transmission reference chamber proven to offer an excellent reference signal for the measurement of small fields. It provides a solution to the problem of where to put a reference detector in small fields: it is big enough to accommodate small fields of up to 5cm × 5cm to fully transmit through the chamber without being disturbed at the field edge.

Using a dedicated holder attached to the water tank1 wall, it is positioned at a minimum distance to the water surface of 20cm with no perturbations to the beam. The very good signal-to-noise-ratio makes it an excellent option for the use as a reference detector in small field dosimetry.

Universal chamber holder will attach to any tank wall.

· low total area density of 206 mg/cm², water equivalent thickness of 2.06mm

· perturbation free transmission chamber

· exceeds signal-to-noise-ratio of most vented chambers on the market

· easy to mount to water phantom without contact with linac head

For more information on the above and all products in the PTW range please contact sales@ptw-uk.com

Optimized DCAT promises much faster SBRT delivery versus VMAT for many patients

Monaco 5.1 for Dynamic Conformal Arc Therapy (DCAT) improves plans through Segment Shape Optimization and Variable Dose Rate

Optimized DCAT is a unique approach to DCAT treatment planning available only in Monaco.

Steep reduction in monitors units significantly reduces treatment time
Patients with simple lesions not close to OARs are ideal candidates.

At UT Health San Antonio, as many as 40 to 60 percent of patients who would normally receive SBRT with VMAT delivery could be candidates for SBRT plans delivered with optimized DCAT, predicts UT Health physicist Sotiri Stathakis, PhD. The benefit for these patients – those who can’t tolerate a long therapy session and/or who present simpler cases that do not require the extreme modulation of VMAT – is a DCAT beam-on time as much as 2.5 times less than that of a VMAT fraction yet with comparable plan quality.
Read the full article here.

Dosimetric comparison of single-beam multi-arc and 2-beam multi-arc VMAT optimization in the Monaco treatment planning system

The purpose of this study was to evaluate the dosimetric and practical effects of the Monaco treatment planning system “max arcs-per-beam” optimization parameter in pelvic radiotherapy treatments. Read the full paper here.

Leading TLD and Dosimetry Solutions available from Phoenix Dosimetry

Phoenix Dosimetry Ltd is a company dedicated to providing equipment, peripherals and service support for Dosimetry Services and Hospitals. We are the exclusive UK and Irish distributor for the ‘Harshaw TLD’ Product range manufactured by Thermo-Fisher Scientific.

We also offer products for radiation monitoring together with QA equipment for Radiotherapy departments including the NPL-2611 Secondary standard chamber, Farmer 2571 & 2581 Chambers QA Phantoms, Bart's Solid Water and Bolus, Extension cables and Patch Panels along with equipment for Mould Rooms from Par Scientific. Additionally, we supply the JCS / Aegis ED3 real time extremity monitor for Nuclear Medicine Departments.

We specialise in complete packages for the Sales and Service of TLD Readers and materials together with a range of peripheral TLD items including Barcode readers, Wall mounted card storage devices and a rapid automated issuing machine.

Our staff have over 30 years of experience in Dosimetry and we are pleased to offer technical advice as well as a range of support/service contracts.

Please contact us for further information on sales@phoenix-dosimetry.co.uk or call us on +44(0)1252 87199

DoseCHECK and PerFRACTION from Sun Nuclear

The SunCHECK platform and DoseCHECK offer independent secondary 3D dose calculations, phantom-less pre-treatment QA and in-vivo monitoring for all fractions. For more information on these, and the other modules available on the SunCHECK platform, please visit PerFRACTION are distributed in the UK by IEL.

RayStation

Welcome and learn more about our news in RayStation 7 . You can also visit our website (www.raysearchlabs.com) to learn more about our products.

March: Advances in the treatment of Prostate and Breast Cancer
April: The status of Stereotactic Radiotherapy and SABR treatment featuring the latest equipment and clinical trials
May: Surface Guided Radiotherapy and Advances in Patient Immobilisation and Motion Tracking
June: A RadPro guide to the progress of Proton Beam Therapy installations and equipment.
July: Linear Accelerator development and manufacturer’s plans for the future
August: What’s new in Brachytherapy treatment and the role it plays now in a busy radiotherapy centre

Please let us have your choice of feature subjects or if you wish to use our single product/service e-news called “Innovations in Radiotherapy” to admin@RadPro.eu

Other selected latest news items and PR from partner companies

Varian Halcyon Treatment System Receives AERB Certificate for Import & Supply in India

Varian today announced the Halcyon™ cancer treatment platform has received Atomic Energy Regulatory Board (AERB) Certificate for Import and Supply in India. This registration allows Varian to now market this new system in India. Halcyon simplifies and enhances virtually every aspect of image-guided volumetric intensity modulated radiotherapy (IMRT), and is well suited to treat a majority of cancer patients, offering advanced treatments for prostate, breast, head & neck, and many other forms of cancer. Find out more here.

Vision RT Webinar – Every Patient, Every Fraction: The Safety Benefits of SGRT

Surface Guided Radiation Therapy (SGRT) has well-accepted benefits for DIBH and SRS. But 70%¹ of users find value in SGRT for four or more indications, showing the wider value of the technique. On January 31, we hosted a webinar focusing on Every Patient, Every Fraction: The Safety Benefits of SGRT. Please fill out the pop-up form to access the on-demand link and wait for the page to redirect you.

Contact admin@RadPro.eu for more information on our innovative RadPro 365 Live event and publishing your news in our e-Lectron newsletter.

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