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Pratik Samant


Radiotherapy Physicist

  • Radiotherapy Physicist at Oxford University Hospitals NHS foundation Trust
  • Visitor status at the University of Oxford

Researcher in Radiotherapy Outcome Prediction and Thermoacoustic Imaging

Research Interests

I am a radiotherapy physicist at Oxford University Hospitals NHS Trust. In addition to my clinical duties, I try to stay active as a researcher.

I was formerly a Postdoctoral Researcher at the University of Oxford, Department of Oncology. Here I worked to develop machine learning tools in order to predict outcomes of radiation therapy. While I have transferred to a more clinical role, I maintain these research interests (and links to the University of Oxford) actively. Specifically, I am interested in the modelling and prediction of tumour control and normal tissue complication probability following radiation therapy for patients.

I also have interest and a research background in the deployment of thermoacoustic imaging modalities, in which radiation induced ultrasound can be used for biomedical imaging. I am actively seeking to find new applications of this method of imaging to solve problems in the clinic, such as Bragg peak localization and 3D diagnostic imaging in high resolution.

I completed my PhD in biomedical Engineering in December of 2019, where my research was in the development of novel biomedical imaging modalities using radiation induced ultrasound. I maintain a research interest in these imaging modalities as well.


On top of my research and clinical duties, I also have a very active interest in science communication and outreach. To this end, I am a regular participant in the Skype a Scientist program and love to present my work to general audiences.  I can also give short presentations on request on other subjects, such as medical imaging, ultrasound, and thermoacoustics, typically to students in grade 9+. These are typically done via zoom/MS teams but occasionally have been in person. One such presentation (in which I try to summarize my PhD thesis in 3 minutes) is available below.

Three Minute Thesis

During my PhD, I was challenged to describe my thesis in 3 minutes to a general audience. The rules were simple, a single static slide, and a very strict 3 minute cutoff. This is the outcome of that work, and I think serves as a good introduction to the value of thermoacoustics in medical imaging.