BHR RT Physics (@BHR_RTPhysics) header
BHR RT Physics (@BHR_RTPhysics) profile picture

BHR RT Physics

@BHR_RTPhysics

Radiotherapy Physics at Queen’s Hospital, @BHRUT_NHS. Using technology to its full potential for the benefit of cancer patients.

 Romford, England
Joined October 2017
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  • Following118
  • Followers357
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Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)Photo by BHR RT Physics (@BHR_RTPhysics)
This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 2 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 3 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 4 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 5 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 6 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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This is Oli, a Radiotherapy Physicist Find out what he gets up to in his working day as we celebrate World Radiotherapy Awareness Day #WRAD. Let’s come together to ensure people living with cancer get access to life-saving radiotherapy. #OneVoiceForRadiotherapy #WorldRTDay This is part 7 (of 7) of Oli's day, stay tuned for more or hop on over to YouTube for the full video youtu.be/pd_t1qqMqt0 @WorldRTDay @ImperialNHS
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We are advertising an 8a Senior Radiotherapy Physicist post, with responsibility for Stereo & Imaging. All details on NHS Jobs: jobs.nhs.uk/candidate/jobadv… Application deadline is August 27th. Do get in touch if you’re interested!
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We are hiring - looking for a proactive and curiosity-driven clinical scientist to join our team as Principal Physicist (8b) in charge of QA & Dosimetry. More details on the Trust vacancies website at bhrhospitals.nhs.uk/current-… Do get in touch if you're interested!
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BHR RT Physics retweeted
Dom Withers (@RTphysicist) profile picture
Dom Withers@RTphysicist19 Feb 2025
I've done a blog post for the charity RadiotherapyUK, reflecting on 25 years in radiotherapy radiotherapy.org.uk/radiothe…
Screenshot of Radiotherapy UK news feed, showing picture of me with a Halcyon linear accelerator and caption "What 25 years as a radiotherapy professional has taught me: Radiotherapy attracts innovators and those who want to do things better"

ALT Screenshot of Radiotherapy UK news feed, showing picture of me with a Halcyon linear accelerator and caption "What 25 years as a radiotherapy professional has taught me: Radiotherapy attracts innovators and those who want to do things better"

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Doctors, therapeutic radiographers and a radiotherapy physicist from @BHRUT_NHS Team Radiation Oncology are enjoying the UK @SABRconsortium meeting in Edinburgh. Picture is our poster on lowering conformity index target values for lung SABR @RTatBHRUT @BHR_RTPhysics #UKSABR24
Image from BHR RT Physics (@BHR_RTPhysics)
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Today is Global Clinical Engineering Day #GlobalCEDay This is Nick Norris, our Chief Radiotherapy Engineer responsible for maintenance of our CT scanner, 3 linacs, and associated equipment & accessories. Thanks to Nick & all CEs who keep our healthcare equipment safe & effective.
Chief Radiotherapy Engineer Nick Norris at the back of our Ethos linear accelerator

ALT Chief Radiotherapy Engineer Nick Norris at the back of our Ethos linear accelerator

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Colleagues from Oncology and Radiotherapy @RTatBHRUT and from our department have had a case study published in @CureusMedical, about CBCT-based oART using @VarianMedSys Ethos Therapy for an oesophagus patient after gastric pull-up See full paper here: cureus.com/articles/281515-c…
Pic of online paper: "CBCT (Cone-Beam CT)-Based Online Adaptive Radiotherapy in the Post-operative Oesophageal Cancer Patient", authors Amy Ward, Siobhan Graham, Ewan Almond and Dom Withers DOI: 10.7759/cureus.70971

ALT Pic of online paper: "CBCT (Cone-Beam CT)-Based Online Adaptive Radiotherapy in the Post-operative Oesophageal Cancer Patient", authors Amy Ward, Siobhan Graham, Ewan Almond and Dom Withers DOI: 10.7759/cureus.70971

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A very happy 6th birthday to the first Halcyon in the world to have kV-CBCT imaging. Still going strong as it marches into linac middle-age, and soon to be doing surface-guided treatments with Identify @RTatBHRUT @BHRUT_NHS @VarianMedSys @varianuk
BHR RT Physics (@BHR_RTPhysics) profile pictureBHR RT Physics@BHR_RTPhysics18 Jun 2018
Physics & Radiotherapy staff @BHR_hospitals today with the world's first patient treated on @VarianMedSys Halcyon v2.0 - kV CBCT, double-stacked MLCs improving plan quality, and faster patient set-up. Well done to all @RTatBHRUT & @BHR_RTPhysics, and to @varianuk for the upgrade.
Image from BHR RT Physics (@BHR_RTPhysics)
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Our Head of Radiotherapy, Siobhan Graham @siogra22 @RTatBHRUT showing the use of Noona @BHRUT_NHS at the GB&I Varian User Meeting 2023, hosted by @BartsRadiother2
Head of Radiotherapy at BHRUT, Siobhan Graham, at the podium presenting work on Noona

ALT Head of Radiotherapy at BHRUT, Siobhan Graham, at the podium presenting work on Noona

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...and Siobhan presenting again on HyperSight, newly-installed on our Ethos machine @RTatBHRUT @BHRUT_NHS
Head of Radiotherapy at BHRUT, Siobhan Graham, at the podium at GB&I Varian User Group 2023 meeting

ALT Head of Radiotherapy at BHRUT, Siobhan Graham, at the podium at GB&I Varian User Group 2023 meeting

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...and earlier in the day, Head of RT Physics Dom Withers @RTphysicist presented on the versatility of our Halcyon and Ethos machines
Title slide of presentation "Versatility of Halcyon & Ethos - not just a pretty machine"

ALT Title slide of presentation "Versatility of Halcyon & Ethos - not just a pretty machine"

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Starting at 4pm UK time: not too late to register for a Varian webinar where department head Dom Withers @RTphysicist talks about treating breasts on Halcyon, and Halcyon versatility. If you miss it - should be available on myvarian in two weeks' time. myvarian.com/s/mvwebsummary?…
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BHR RT Physics retweeted
BHRUT NHS 🏥 (@BHRUT_NHS) profile picture
BHRUT NHS 🏥
@BHRUT_NHS3 Oct 2023
Queen’s is the first hospital in the UK to receive the @VarianMedSys HyperSight imaging system upgrade to our Ethos radiotherapy machine. It can take detailed images in just six seconds, compared to 43 seconds using the previous equipment. Find out more: bhrhospitals.nhs.uk/news/que…
MRI machine scanning a patient. Two nurses standing by to assist

ALT MRI machine scanning a patient. Two nurses standing by to assist

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29°C in Romford today! Fortunately there is an ice cream van just outside the hospital entrance🤔so all four of our radiotherapy physics MPEs popped out for a treat 🍦😎 (don't worry - still on-site, DECT phone within range...)
Picture of all four MPEs from Queen's Hospital Radiotherapy Physics department, outside hospital entrance

ALT Picture of all four MPEs from Queen's Hospital Radiotherapy Physics department, outside hospital entrance

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Look at the size of that panel! Very excited to have UK's first @VarianMedSys HyperSight imaging system on our Ethos linac. CBCTs in 6 secs, improved reconstruction algorithms reducing artefacts, lower dose to patients. More details in images' ALT text. @RTatBHRUT @RTatBHRUT
Picture shows new "HyperSight" imaging panel in place in the gantry of an Ethos linac. The panel has an improved detector, and is 86x43cm - twice the size of the previous panel. Full-fan kV , and a faster gantry angle, means 211-degree CBCTs can be obtained in 6 seconds. More details at https://www.varian.com/en-gb/products/radiotherapy/treatment-delivery/hypersight

ALT Picture shows new "HyperSight" imaging panel in place in the gantry of an Ethos linac. The panel has an improved detector, and is 86x43cm - twice the size of the previous panel. Full-fan kV , and a faster gantry angle, means 211-degree CBCTs can be obtained in 6 seconds. More details at https://www.varian.com/en-gb/products/radiotherapy/treatment-delivery/hypersight

Picture is of kV imager in the gantry of an Ethos linac. The imager is more powerful than its replacement, and does full-fan instead of half-fan. Full bowtie filter can be seen at the front.

ALT Picture is of kV imager in the gantry of an Ethos linac. The imager is more powerful than its replacement, and does full-fan instead of half-fan. Full bowtie filter can be seen at the front.

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