Overview
Background
Dr Prabhakar Ramachandran is the Director of Medical Physics at the Princess Alexandra Hospital (Ipswich Road). He has post-graduate degrees in Medical Physics, Electronics Engineering, and Computer Science. He earned his PhD from the All India Institute of Medical Sciences, New Delhi. He holds accreditation in Radiotherapy QA from the Australasian College of Physical Scientists and Engineers in Medicine (ACPSEM) and in Radiation Safety from the Australasian Radiation Protection Society Inc (ARPS). He is also board certified by the American Board of Radiology. His research interests include real-time dosimetry, treatment planning, 4D-imaging, radiation dosimetry, and developing deep learning models for Gamma Knife radiotherapy.
Availability
- Dr Prabhakar Ramachandran is:
- Available for supervision
Research interests
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Radiation Dosimetry
Works
Search Professor Prabhakar Ramachandran’s works on UQ eSpace
2022
Book Chapter
Role of artificial intelligence in automatic segmentation of brain metastases for radiotherapy
Ramachandran, Prabhakar, Seshadri, Venkatakrishnan, Perrett, Ben, Mehta, Akash, Fontanarosa, Davide, Pinkham, Mark and Foote, Matthew (2022). Role of artificial intelligence in automatic segmentation of brain metastases for radiotherapy. Artificial intelligence in cancer diagnosis and prognosis, Volume 3: Brain and prostate cancer. (pp. 4-1-4-23) edited by Ayman El-Baz and Jasjit S Suri. Bristol, U.K. : IOP Publishing. doi: 10.1088/978-0-7503-3603-1ch4
2022
Journal Article
A framework for exactrac dynamic commissioning for stereotactic radiosurgery and stereotactic ablative radiotherapy
Ramachandran, Prabhakar, Perrett, Ben, Ukath, Jaysree, Horgan, Emma and Noble, Chris (2022). A framework for exactrac dynamic commissioning for stereotactic radiosurgery and stereotactic ablative radiotherapy. Journal of Medical Physics, 47 (4), 398-408. doi: 10.4103/jmp.jmp_67_22
2022
Journal Article
A direct comparison of the optically stimulated luminescent properties of BeO and Al2O3 for clinical in-vivo dosimetry
Broadhead, Benjamin, Noble, Christopher and Ramachandran, Prabhakar (2022). A direct comparison of the optically stimulated luminescent properties of BeO and Al2O3 for clinical in-vivo dosimetry. Physical and Engineering Sciences in Medicine, 45 (3), 859-866. doi: 10.1007/s13246-022-01155-x
2022
Journal Article
Comparison and validation of multiple detectors against monte carlo simulation for the use of small-field dosimetry
Ramachandran, Prabhakar, Parveen, Nazia, Seshadri, Venkatakrishnan, Perrett, Ben and Fielding, Andrew (2022). Comparison and validation of multiple detectors against monte carlo simulation for the use of small-field dosimetry. Journal of Medical Physics, 47 (3), 235-242. doi: 10.4103/jmp.jmp_35_22
2022
Journal Article
A feasibility study on the development and use of a deep learning model to automate real-time monitoring of tumor position and assessment of interfraction fiducial marker migration in prostate radiotherapy patients
Motley, Ryan, Fielding, Andrew L and Ramachandran, Prabhakar (2022). A feasibility study on the development and use of a deep learning model to automate real-time monitoring of tumor position and assessment of interfraction fiducial marker migration in prostate radiotherapy patients. Biomedical Physics and Engineering Express, 8 (3) 035009, 035009. doi: 10.1088/2057-1976/ac34da
2021
Journal Article
Automatic detection and tracking of marker seeds implanted in prostate cancer patients using a deep learning algorithm
Amarsee, Keya, Ramachandran, Prabhakar, Fielding, Andrew, Lehman, Margot, Noble, Christopher, Perrett, Ben and Ning, Daryl (2021). Automatic detection and tracking of marker seeds implanted in prostate cancer patients using a deep learning algorithm. Journal of Medical Physics, 46 (2), 80-87. doi: 10.4103/jmp.JMP_117_20
2021
Journal Article
Use of GammaPlan convolution algorithm for dose calculation on CT and cone-beam CT images
Ramachandran, Prabhakar, Perrett, Ben, Dancewicz, Orrie, Seshadri, Venkatakrishnan, Jones, Catherine, Mehta, Akash and Foote, Matthew (2021). Use of GammaPlan convolution algorithm for dose calculation on CT and cone-beam CT images. Radiation Oncology Journal, 39 (2), 129-138. doi: 10.3857/roj.2020.00640
2021
Journal Article
Contralateral breast dose with electronic compensators and conventional tangential fields - A clinical dosimetric study
Ramachandran, Prabhakar, Smith, Amanda, Hagekyriakou, Jim, Hughes, Jeremy, Lonski, Peta, Howard, Beth, Osbourne, Glen, Orr, Kylie, Kaur, Ravneet and Kron, Tomas (2021). Contralateral breast dose with electronic compensators and conventional tangential fields - A clinical dosimetric study. Zeitschrift fur medizinische Physik, 31 (4), 347-354. doi: 10.1016/j.zemedi.2021.04.003
2021
Journal Article
A 3D printed phantom to assess MRI geometric distortion
Ramachandran, Prabhakar, Noble, Christopher, Langton, Christian, Perrett, Ben, Cox, Joshua, Chapman, Mike and McGill, George (2021). A 3D printed phantom to assess MRI geometric distortion. Biomedical Physics and Engineering Express, 7 (3) 035004, 035004. doi: 10.1088/2057-1976/abeb7e
2020
Journal Article
Dosimetric comparative study of 3DCRT, IMRT, VMAT, Ecomp, and Hybrid techniques for breast radiation therapy
Chen, Semaya Natalia, Ramachandran, Prabhakar and Deb, Pradip (2020). Dosimetric comparative study of 3DCRT, IMRT, VMAT, Ecomp, and Hybrid techniques for breast radiation therapy. Radiation Oncology Journal, 38 (4), 270-281. doi: 10.3857/roj.2020.00619
2019
Journal Article
On the use of AAA and AcurosXB algorithms for three different stereotactic ablative body radiotherapy (SABR) techniques: Volumetric modulated arc therapy (VMAT), intensity modulated radiation therapy (IMRT) and 3D conformal radiotherapy (3D-CRT)
Tajaldeen, Abdulrahman, Ramachandran, Prabhakar, Alghamdi, Salem and Geso, Moshi (2019). On the use of AAA and AcurosXB algorithms for three different stereotactic ablative body radiotherapy (SABR) techniques: Volumetric modulated arc therapy (VMAT), intensity modulated radiation therapy (IMRT) and 3D conformal radiotherapy (3D-CRT). Reports of Practical Oncology and Radiotherapy, 24 (4), 399-408. doi: 10.1016/j.rpor.2019.02.008
2019
Journal Article
Development of a multicentre automated model to reduce planning variability in radiotherapy of prostate cancer
Panettieri, Vanessa, Ball, David, Chapman, Adam, Cristofaro, Nigel, Gawthrop, Janet, Griffin, Peter, Herath, Sisira, Hoyle, Susan, Jukes, Liam, Kron, Tomas, Markham, Cathy, Marr, Loretta, Moloney, Phillip, Nelli, Flavio, Ramachandran, Prabhakar, Smith, Amanda and Hornby, Colin J (2019). Development of a multicentre automated model to reduce planning variability in radiotherapy of prostate cancer. Physics and Imaging in Radiation Oncology, 11, 34-40. doi: 10.1016/j.phro.2019.07.005
2018
Journal Article
Determination of dose enhancement caused by AuNPs with Xoft (R) Axxent (R) Electronic (eBx (TM)) and conventional brachytherapy: in vitro study
Shahhoseini, Elham, Ramachandran, Prabhakar, Patterson, William Roy and Geso, Moshi (2018). Determination of dose enhancement caused by AuNPs with Xoft (R) Axxent (R) Electronic (eBx (TM)) and conventional brachytherapy: in vitro study. International Journal of Nanomedicine, 13, 5733-5741. doi: 10.2147/IJN.S174624
2017
Journal Article
Evaluation and performance of ArcCheck and film using gamma criteria in pre-treatment quality assurance of stereotactic ablative radiotherapy
Ramachandran, Prabhakar, Tajaldeen, Abdulrahman, Taylor, David, Wanigaratne, Derrick, Roozen, Karl and Geso, Moshi (2017). Evaluation and performance of ArcCheck and film using gamma criteria in pre-treatment quality assurance of stereotactic ablative radiotherapy. Journal of Medical Physics, 42 (4), 251-257. doi: 10.4103/jmp.JMP_132_16
2017
Journal Article
New era of electronic brachytherapy
Ramachandran, Prabhakar (2017). New era of electronic brachytherapy. World Journal of Radiology, 9 (4), 148-154. doi: 10.4329/wjr.v9.i4.148
2017
Journal Article
Surface dose measurements in and out of field: Implications for breast radiotherapy with megavoltage photon beams
Lonski, Peta, Ramachandran, Prabhakar, Franich, Rick and Kron, Tomas (2017). Surface dose measurements in and out of field: Implications for breast radiotherapy with megavoltage photon beams. Zeitschrift Fur Medizinische Physik, 27 (4), 318-323. doi: 10.1016/j.zemedi.2017.05.002
2016
Journal Article
Geographical miss of the prostate during image-guided radiotherapy with a 6-mm posterior expansion margin
Oates, Richard, Jones, Daryl, Foroudi, Farshad, Gill, Suki, Ramachandran, Prabhakar, Schneider, Michal, Lim Joon, Michael and Kron, Tomas (2016). Geographical miss of the prostate during image-guided radiotherapy with a 6-mm posterior expansion margin. Journal of medical radiation sciences, 64 (2), 97-105. doi: 10.1002/jmrs.186
2016
Journal Article
Rectal complication probability from composite volumes derived from daily cone beam computed tomography in prostate cancer radiotherapy
Prabhakar, Ramachandran, Oates, Richard, Daryl, Jones, Chang, Joe, Geso, Moshi and Cramb, Jim (2016). Rectal complication probability from composite volumes derived from daily cone beam computed tomography in prostate cancer radiotherapy. Journal of Cancer Research and Therapeutics, 12 (1), 374-378. doi: 10.4103/0973-1482.174529
2015
Journal Article
Automatic tracking of gold seed markers from CBCT image projections in lung and prostate radiotherapy
Gehrke, Christopher, Oates, Richard, Ramachandran, Prabhakar, Deloar, Hossain M., Gill, Suki and Kron, Tomas (2015). Automatic tracking of gold seed markers from CBCT image projections in lung and prostate radiotherapy. Physica Medica, 31 (2), 185-191. doi: 10.1016/j.ejmp.2015.01.002
2014
Journal Article
A study on planning organ at risk volume for the rectum using cone beam computed tomography in the treatment of prostate cancer
Prabhakar, Ramachandran, Oates, Richard, Jones, Daryl, Kron, Tomas, Cramb, Jim, Foroudi, Farshad, Geso, Moshi and Gill, Suki (2014). A study on planning organ at risk volume for the rectum using cone beam computed tomography in the treatment of prostate cancer. Medical Dosimetry, 39 (1), 38-43. doi: 10.1016/j.meddos.2013.09.003
Funding
Past funding
Supervision
Availability
- Dr Prabhakar Ramachandran is:
- Available for supervision
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Supervision history
Current supervision
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Doctor Philosophy
Investigation into assessment methods of heterogeneity within MR and MRS images of brain tumours treated with Leksell Gamma Knife and their predictive value for treatment outcome
Associate Advisor
Media
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