Dr. K.M. Ganesh

Professor and Head

Qualification: M.Sc (Med.Phy)., Ph.D., FUICC.

Email: kmganesh1@gmail.com

Joining Date: 21-05-2003

Dr. K. M. Ganesh has Professional Experience of 23 years as Clinical Physicist in Radiotherapy under various capacities. He received his Ph.D.  in Medical Physics from Anna University in the year 2004 and Joined KMIO in the year 2003 as Assistant Professor of Radiation Physics.  Earlier he served as Lecturer in Radiation Physics for 5 years at M.S.Ramaiah Medical College, Bangalore. He is a life member of various professional bodies like AMPI (Association of Medical Physicists of India), AROI (Association of Radiation Oncologists of India, ISRP (Indian Society for Radiation Physics), IARP (Indian Association of Radiation Protection), Bangalore Oncology Group and UICC (Union for International Cancer Control). He is the principal Investigator for the project of “Development and Testing of Indigenous Cost Effective 3D RFA” from AERB, Mumbai during the year 2011-2013. He also contributed as Co-Investigator in other two projects at KMIO. He has been awarded UICC fellowship at  Poomana Valley Hospital, Ontario, California during 2008. He has attended “College on Medical Physics”, at ICTP, Italy during the year 2008. Under his guideship five students have completed their Ph.D degree and three student are undergoing their research work. To his credit he has 52 publications in various national and International referred journals. He is contributing to various reputed journals as Reviewer. 

Publications

 Supe S S, Ganesh K M, Rana B S (2001) ‘Uncertainty in dose distribution due to activity distribution of Cs-137 pellets in a Selectron –LDR Afterloader – A Review’, Journal of Medical Physics, Vol 26(1): 34-35.

1. Supe S S, Ganesh K M, Velmurugan, Rana B S and Sankar B N (2002), ‘Effect of altered fractionation schedule on the spinal cord response: Radiobiological considerations’, Rep. Pract. Oncol. Radiother, Vol. 7(1): 27-35.
2. Supe S S, Ganesh K M, Velmurugan J, Rana B S and Sankar B N (2002), ‘Radiobiological considerations of re-irradiation tolerance of the spinal cord’, Rep. Pract. Oncol. Radiother, Vol. 7(2): 81-85.
3. Ganesh K M, Supe S S and Sankar B N (2002), ‘Total effectiveness as prognostic tool for re-irradiation tolerance of spinal cord myelitis’, JCRO, Vol. 2(3): 28 - 35.
4. Ganesh K M, Supe S S and Sankar B N (2002), ‘Clinical prognostic indicator for brain necrosis: Evaluation of the role of normalised total dose’, JCRO, Vol. 2(4): 17-25.
5. Ganesh K M, Supe S S and Sankar B N (2003), ‘Evaluation of normalised total dose as a clinical prognostic indicator for spinal cord myelitis’, Pol J Med Phys Eng, Vol. 9(1): 1-15.
6. Ganesh K M, Supe S S and Sankar B N (2003), ‘Validity of extrapolated response dose as clinical prognostic indicator for incidence of spinal cord myelitis in altered fractionation’, Pol J Med Phys Eng, Vol. 9(2):109-119.
7. Supe S S, Ganesh K M, Hema V and Sankar B. N. (2003), ‘Evaluation of radiobiological quality index of interstitial brachytherapy treatments of carcinoma of the cervix’, JCRO, Vol.3(4): 12-20.
8. Bindhu J, Ganesh K M and Supe S S (2004) ‘Mathematical Modelling: Rationale of Clinical Application’, JCRO. Vol. 4 (2): 10-14.
9. Ganesh K M, Supe S S, Sankar B N and Gopiraj A (2006), ‘Application of bioeffect dose to laryngeal cancer: Accounting for repopulation attributed to overall treatment time’, Austral Asian Jr. Cancer. Vol.5: 287-296.

 Supe S S, Ganesh K M, Hema V and Sankar B N (2006), ‘Radiobiological quality of high dose rate interstitial brachytherapy treatments of carcinoma of the cervix’, Rep. Pract Oncol Radiother. Vol.11: 13-22.

 Supe S S, Naveen T, Ganesh K M and Samuel J (2006), ‘An overview of Time Dose Fractionation Models: NSD to BED’, Pol J Med Phys Eng. Vol. 12(4): 165-201.

 Naveen T, Supe S S, Ganesh K M and Samuel J (2006), ‘External Beam Radiotherapy for Palliation of Painful Bone Metastases: Pooled Data Bioeffect Dose Response Analysis of Dose Fraction’, Pol J Med Phys Eng. Vol. 12(4):203-215.

 Supe S S, K Ganesh, Naveen T, Samuel J and B N Sankar (2006), ‘Spinal cord response to altered fractionation and re-irradiation: Radiobiological considerations and role of bioeffect models’, J Cancer Res Ther. Vol. 2(3): 105 - 118.

 Supe S S, Varatharaj C, Bijina T K, Shwetha B, Sathiyan S, Ganesh K M, Arunkumar T, and Ravikumar M (2007) ‘Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators’, Rep Pract Oncol Radiother. Vol. 12(6): 313-317.

 Supe S S, Shwetha B, Bijina T K, Varatharaj C, Sathiyan S, Ganesh K M, Arunkumar T and Ravikumar M (2007),‘Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source’, Pol J Med Phys Eng. Vol. 13(2):55-64.

 Varatharaj C, Ravikumar M, Supe S S, Sathiyan S, Ganesh K M and Arunkumar T (2008), ‘Dosimetric investigation of dual energy photon beams with assymmetric collimator jaws’, Pol J Med Phys Eng. Vol. 14(1):33-45.

 Naveen T, Lokesh V, Supe S S, K M Ganesh and Samuel J (2008), ‘Radiotherapy in Metastatic Spinal Cord Compression: A review of fractionation’, Rep Pract Oncol Radiother. Vol. 13: 134-139.

 Arunkumar T, Supe S S, Ravikumar M, Sathiyan S, Ganesh K M  and Varatharaj C (2009), ‘Electron beam characteristics at extended source to surface distance for a clinac-DHX linear accelerator’, Pol J Med Phys Eng. Vol. 15(3) : 121-133

 Arunkumar T, Supe S S, Ravikumar M, Sathiyan S, Ganesh K M (2011), "Impact of cutout off axis on electron beam dosimetric parameters", Technol Cancer Res Treat. Vol. 11(2): 195-209.

 Ganesh K M, Pichandi A, Nehru R M and Ravikumar M (2014), ‘Design and Testing of indigenous cost effective Three Dimensional Radiation Field Analyser (3DRFA)’ Technol Cancer Res Treat. Vol.13: 195-209.

 Pichandi A, Ganesh K. M, Jerrin A, Balaji K, Sridhar P S and Surega A (2015), ‘Cranio Spinal Irradiation of Medulloblastoma Using High Precision Techniques – A Dosimetric Comparison’ Technol. Cancer Res. Treat. Vol.17 (4) 491-496.

 Pichandi A, Ganesh K M, Jerin A, Balaji K and Kilara G (2014), ‘Analysis of physical parameters and determination of inflection pointfor Flattening Filter Free beams in medical linear accelerator’ Rep Pract Oncol Radiother. Vol. 19(5): 322-331.

 Pichandi A, Ganesh K. M, Jerrin A, Balaji K and Surega A (2014), ‘Use of Flattening Filter-Free Photon Beams in Treating Medulloblastoma: A Dosimetric Evaluation’ ISRN Oncology. Vol. 2014 E.pub. Article ID 769698, 5 pages.

 Karthikeyan N, Ganesh K M, Vikraman S, Karrthick K P, Mohanraj U, Sennniandavar V, Sambasivaselli R, Supe S S and Kataria T (2014), ‘Influence of segment width on plan quality for volumetric modulated arc based stereotactic body radiotherapy’ Rep Pract Oncol Radiother. Vol.19 (5):287-295.

25. Rudran K, Masilamani V, AlSalhi M S, Devanesan S, Ramamurthy P, Siddanna R P and Ganesh K M (2014), 'Cervical cancer detection by time-resolved spectra of blood components' Journal of Biomedical Optics Vol. 19(5):057011.

 Masilamani V, Devanesan S, Ravikumar M, Perinbam K, AlSalhi M S, Prasad S, Siddanna R P, Ganesh K M and Alsaeed A H (2014), 'Fluorescence spectral diagnosis of malaria– a preliminary study' Diagnostic Pathology. Vol. (9):182.

 Karthikeyan N, Ganesh K M, Vikraman S, Karrthick K P, Mohanraj U, Sennniandavar V, Sambasivaselli R, Supe S S and Kataria T (2015), ‘Analysis of direct clinical consequences of MLC positional errors in volumetric modulated arc therapy using 3D dosimetry system’ J Appl Clin Med Phys. Vol. 16(5):296–305.

28. Godson H F, Ravikumar M, Ganesh K M, Sathiyan S and Ponmalar Y R(2016), ‘Small field output factors: Comparison of measurements with various detectors and effects of detector orientation with primary jaw setting’ Radiat. Meas. Vol. 85:99-110.
29. Godson H F, Ravikumar M, Sathiyan S, Ganesh K M, Ponmalar R and Varatharaj C (2016), ‘Analysis of small field percent depth dose and profiles: comparison of measurements with various detectors and effects of detector orientation with different jaw setting’ J Med Phys. Vol. 41(1):12-20.
30. Ananda Giri babu A, Ganesh K M and Kaviarasu K (2016), ‘Percentage depth dose calculation accuracy of Model based algorithms in high energy photon small fields through heterogeneous media and comparison with plastic scintillator dosimetry’ J Appl Clin Med Phys. Vol. 17(1): 132-42
31. Godson H F, Ravikumar M, Sathiyan S, Ganesh K M and Ponmalar R (2017), ‘The effect of influence quantities and detector orientation on small-field patient-specific IMRT QA: comparison of measurements with various ionization chambers’ Radiol Phys Technol. Vol. 10: 195-03.
32. Ponmalar Y R, Ravikumar M, Sathiyan S, Ganesh K M, Arun R and Godson H F (2017), ‘Response of nanoDot optically stimulated luminescence dosimeters to therapeutic electron beams’  J Med Phys. Vol. 42(1):42-7.

 Ponmalar Y R, Ravikumar M, Ganesh K M, Sathiyan S, Arun R and Godson H F (2017), ‘Dosimetric characterization of Optically Stimulated Luminescence Dosimeter (OSLD) with therapeutic photon beams for use in clinical radiotherapy measurements’ J Can Res Ther. Vol. 13:304-12.

34. Vasanthan S, Ganesh K M, Sunil M and Raghavendiran B (2017), ‘Comparison of treatment planning techniques in treatment of carcinoma of left breast: second cancer perspective’ Radiat. Phys. Chem. 132, page: 41-45.
35. Vasanthan S, Ganesh K M, Sunil M, Raghavendiran B and Jothybasu S (2017), ‘Estimating second malignancy risk in Intensity Modulated Radiotherapy and Volumetric modulated Arc therapy using mechanistic radiobiological model in radiotherapy for carcinoma of left breast’ J Med Phys.   42(4): 234-240.
36. Vasanthan S, Ganesh K M, Sunil M and Raghavendiran B (2017), ‘Radiation-induced second cancer risk from external beam photon radiotherapy for Head and Neck cancer: impact on in-field and out of field organs’ Asian Pac J Cancer Prev. 18: 1897-1903.
37. Ashokkumar S, Ganesh K M, Ramalingam K, Karthikeyan K and Jagadheeskumar N (2017), ‘Dosimetric Validation of Volumetric Modulated Arc Therapy (VMAT) Using AAPM TG-119 Benchmark Plans in an Upgraded CLINAC 2100CD for Flattening Filter Free (FFF) Photon Beams’ Asian Pac J Cancer Prev. Vol. 18(11): 2965-70.
38. Ashokkumar S, Ganesh K M, Ramalingam K, Karthikeyan K and Jagadheeskumar N (2017), ‘Dosimetric Validation of Volumetric Modulated Arc Therapy with Three  6MV Beam-Matched Linear Accelerators’ Asian Pac J Cancer Prev. Vol.18(12):3439-44.

 Vasanthan S, Ganesh K M, Sunil M and Raghavendiran B (2018), ’Radiation-induced second cancer risk from stereotactic ablative radiotherapy (SABR) for lung cancer: a review of planning studies’ J Radiother Pract. Vol. 17 (2): 194-204. 

40. Ponmalar Y R, Ravikumar M, Sathiyan S, Ganesh K M, Arun R and Godson H F (2018), ‘Evaluation of optically stimulated luminescence dosimeter for exit dose in vivo dosimetry in radiation therapy’. J Can Res Ther.Vol.14 (6): 1341- 49
41. Ananda Giri babu A, Ganesh K M and Kaviarasu K (2018), ‘Calculation Accuracy of AAA and AcurosXB Algorithms for Small Central and Interface Lung Lesions - Verification with Gafchromic Film Dosimetry’  Asian Pac J Cancer Prev. Vol.19 (1):253-59
42. Karthikeyan N, Ganesh K. M, Sambasivaselli R, Maniyan P, Senniandavar V and Sandeep J (2018), ‘Characterization of small photon field outputs in a heterogeneous medium using X-ray voxel Monte Carlo dose calculation algorithm’ J Radiother Pract. Vol. 17(1): 114-123.
43. Bijina T K, Ganesh K M  and Pichandi A (2019), ‘Is High Definition MLC Dosimetrically Superior to Standard Definition MLC for SIB-SBRT for Carcinoma Prostate’ Asian Pac J Cancer Prev. Vol. 20(12): 3817-3823.

 Palled S, Tanvirpasha, C, Naveen, T, Sathiyan, S, K M. Ganesh and Lokesh, V (2019), ‘Magnetic resonance image-based 3D volume interstitial brachytherapy using polyether ether ketone catheters in advanced cervical cancer – a feasibility study’ J Contemp Brachytherapy, Vol. 11(4): 307-11.

45. Bijina T K, Ganesh K M, Subbulakshmi B and  Pichandi A (2020), ‘Dosimetric comparison of single and double collimator stereotactic body radiotherapy plans using Cyber Knife for carcinoma prostate’ Int J Radiat Res 2020, Vol. 18(2): 209-217.

 Bijina T K, Ganesh K M, Pichandi A and Muthuselvi C A (2020), ‘Cyberknife, Helical Tomotherapy and Rapid Arc SIB-SBRT Treatment Plan Comparison for Carcinoma Prostate’ Asian Pac J Cancer Prev. Vol. 21(4): 1149-1154.

47. Palled S R, Aldaleeli N Y, Ganesh K M, Vadivel M and AlSalhi S M (2020) ’Spectral technique for monitoring cervical cancer treatment following radiotherapy’ Oncol J India. Vol.4:8-12.
48. Palaniappan SM, Khaleel I, Varatharaj C, Ganesh K M, Ravikumar.M (2020) ‘Dosimetric evaluation of 6 MV and 18 MV intensity-modulated radiotherapy plans for treatment of carcinoma of the cervix’ International Journal of Medical Research and Review Vol.8(4): 307-14.
49. Ganesh K M (2020) ‘Guidance on the personal monitoring requirements for personnel working in healthcare’. Book Review. J Med Phys. Vol.45:139-40.
50. Sunil R A, Vishwanath L, Naveen T, Pallad S, Mandal SK, Pasha T, Ashalatha, Raj S, Sathyan S, Ganesh K M (2020). ‘Implementation of the electronic medical record system in the radiation oncology department of a government health-care facility: A single-center experience’ Cancer Res Stat Treat.Vol.3:748-54.
51. Palled S R,  Saminathan  S,  Pasha  T,  Naveen  T,  Ganesh  KM,  Lokesh  V (2021) ‘ Prostate  permanent  implant  brachytherapy with BARC I‑125 Ocu‑Prosta seeds’ J Can ResTher.Vol.17:340‑7.

Dr. S. Sathiyan

Professor of Radiation Physics

Qualification: M.Sc., Dip.R.P., Ph.D.

Email: drsathiyan@gmail.com

Joining Date: 19-4-2003 

Dr. S. Sathiyan has Professional Experience of 22 years as Clinical Physicist in Radiotherapy under various capacities. He received his Ph.D.  in Radiation  Physics in the year of 2008 and Joined our Institute in the year of 2003 as Assistant Professor of Radiation Physics.  He is a life member of various professional bodies like AMPI (Association of Medical Physicists of India) and UICC (Union for International Cancer Control). He has been awarded UICC fellowship on ‘Dosimetric and quality assurance aspects of volumetric intensity modulated radiotherapy’, during May, 2010, Scott &White Memorial Hospital, Temple, Texas,USA. He has attended ICTP-IAEA School on quality assurance in Radiotherapy, ICTP, Trieste, Italy. In his credit he has the 34 research publications of various national and International referred journals and presented 15 papers in National and International Conferences.  He is one of the external examiner for Manipal University, Rajiv Gandhi University of Health Sciences, The TamilNadu MGR Medical University, Indira Gandhi National Open University, NIMHANS (Deemed University) Karnataka Paramedical Board.

1. Sanjay Sudhakar Supe, Chandraraj Varatharaj, Themantavida Krishnan Bijina, Shwetha Bondel, Saminathan Sathiyan, Kadirampatti  Mani Ganesh,Thangaraj Arunkumar, Manickam Ravikumar(2007) ‘Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators’, Rep PractOncolRadiother. 12(6): 313-317.
2. Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, M. Ganesh, T. Arunkumar, M. Ravikumar(2007),‘Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source’. Pol J Med Phys Eng. 13(2):55-64.
3. , RavikumarM., Sanjay S. Supe, SathiyanS., GaneshK. M., T. Arunkumar. (2008),‘Dosimetric investigation of dual energy photon beams with assymmetric collimator jaws’. Pol J Med Phys.Eng.14(1):33-45.
4. Arunkumar, T. and Supe, S.S. and Ravikumar, M. and Sathiyan, S.,Ganesh, K.M. and Varatharaj, C., (2009). "Electron beam characteristics at extended source to surface distance for a clinac-DHX linear accelerator", Polish Journal of Medical Physics and Engineering, vol. 15, no. 3, pp. 121-133
5. Arunkumar, T. and Supe, S.S. and Ravikumar, M. and Sathiyan, S. and Ganesh, K.M. (2011). "Impact of cutout off axis on electron beam dosimetric parameters", Technol Cancer Res Treat. Vol.11(2): 195-209.
6. Godson HF, Ravikumar M, Ganesh KM, Sathiyan S, Ponmalar YR.(2016) ‘Small field output factors: Comparison of measurements with various detectors and effects of detector orientation with primary jaw setting’ Radiat. Meas.85:99-110.
7. Godson HF, Ravikumar M, Sathiyan S, Ganesh KM, Ponmalar R, Varatharaj C.(2016) ‘Analysis of small field percent depth dose and profiles: comparison of measurements with various detectors and effects of detector orientation with different jaw setting’ J Med Phys.41(1):12-20.
8. Ponmalar YR, Ravikumar M, Sathiyan S, Ganesh KM, Arun R, Godson HF. “Evaluation of optically stimulated luminescence dosimeter for exit dose in vivo dosimetry in radiation therapy”. J Can Res Ther.
9. Godson HF, Ravikumar M, Sathiyan S, Ganesh KM, Ponmalar R. The effect of influence quantities and detector orientation on small-field patient-specific IMRT QA: comparison of measurements with various ionization chambers. RadiolPhys Technol. 2017;10:195-203.
10. Ponmalar YR, Ravikumar M, Sathiyan S, Ganesh KM, Arun R, Godson HF. Response of nanoDot optically stimulated luminescence dosimeters to therapeutic electron beams. J Med 2017;42(1):42-7.

 Ponmalar YR, Ravikumar M, Ganesh KM, Sathiyan S, Arun R, Godson HF. Dosimetric characterization of Optically Stimulated Luminescence Dosimeter (OSLD) with therapeutic photon beams for use in clinical radiotherapy measurements. J Can Res Ther. 2017;13:304-12.

11. Sathiyan, M. Ravikumar, R. Ravichandran. An analysis of personnel dose reports in medical radiation occupational workers from an oncology Int. J. Radiat. Res., 14(2): 143-148 (2016).

 Sathiyan Saminathan, Henry Finlay Godson, Retna Ponmalar, Ravikumar Manickam, James Mazarello. Dosimetric evaluation of newly developed well-type ionization chamber for use in the calibration of brachytherapy sources. . Journal of Medical Physics, Vol. 41(4): 234-239 (2016).

 Henry Finlay Godson Ravikumar M, S. Sathiyan ,K. M. Ganesh, , Retna Ponmalar. Anaysis of small field percent depth dose and profiles: Comparison of measurements with various detectors and effects of detector orientation with different jaw setting. J Med. Phys. 41(1): 12-20 (2016). 

 Henry Finlay Godson Ravikumar M, K.M.Ganesh, S. Sathiyan , Retna Ponmalar. Small field output factors: Comparison of measurements with various detectors and effects of detector orientation with primary jaw setting. Radiation measurements, 85: 99-110 (2016).   

 Sathiyan Saminathan, Henry Finlay Godson, Retna Ponmalar, Ravikumar Manickam, James Mazarello, Rahul Fernands. Dosimetric performance of newly developed Farmer type ionization chamber in radiotherapy practice. Tech. in cancer Research and 15(6): NP113-NP120. (2016).

 Palaniappan Senthil Manikandan, Sanjay Sudhakar Supe, Manickam Ravikumar, Sathiyan Saminathan. Dosimetric evaluation of conventional multileaf collimator based intensity modulated radiotherapy delivery technique: A treatment planning study. J Nucl Med Radiat Ther, 4(1): 1-7(2013).

17. Arunkumar, T. Supe, S.S. Ravikumar, M., Sathiyan, S. Ganesh, K.M. Impact of Cutout Off Axis on Electron Beam Dosimetric Parameters Technol Cancer Res Treat. 11:141-147 (2012).
18. Sathiyan saminathan, Varatharaj Chandraraj, Sridhar C H, Ravikumar Manickam.Comparison of individual and composite field analysis using array detector for Intensity Modulated Radiotherapy dose verification Rep Pract Oncol Radiother.17(3): 157-162 (2012).
19. Sathiyan Saminathan, Ravikumar Manickam, Sanjay S. Supe. Comparison of dosimetric characteristics of physical and enhanced dynamic wedges.  Reports of Practical Oncology & Radiotherapy, 17 (1): 4-12(2011).
20. Varatharaj, M.Ravikumar, S.Sathiyan, Sanjay S Supe.Variation of beam characteristics between three different wedge systems. J. Med. Phys. Vol.36(3): 133-137 (2011).
21. Sathiyan, M. Ravikumar, A.L. Boyer, J. Shoales. Comparison of IMRT and Rapidarc treatment plans using AAPM task group test suites. Gulf Journal of Oncology. 10 JULY:11-17 (2011).
22. Shwetha B, M. Ravikumar, Siddanna R.P, Sanjay Supe, Sathiyan S. Dosimetric comparison of high dose rate brachytherapy and IMRT for cervical carcinoma. Med. Phys. 36(1), 2011; 111- 116.
23. Sathiyan Saminathan, Ravikumar Manickam, Varatharaj Chandraraj Plan evaluation and dosimetric comparison of IMRT using AAPM TG119 test suites and recommendations.. Australas Phys Eng Sci Med. 34(1): 55-61. (2011).
24. Arunkumar, C. Varatharaj, M. Ravikumar, K.M.Ganesh, S.Sathiyan, Shwetha. B. Commissioning and validation of the electron Montec Carlo calculation at extended source to surface distance from a medical accelerator. International journal of Medical Research and Review. Vol.4 (2): 1155-1163 (2016).

 Varatharaj, Shwetha. B, Rekha Reddy B, M. Ravikumar, S.Sathiyan, K.M.Ganesh. Physical characteristics of photon and electron beams from a radiotherapy accelerator. International journal of Medical Research and Review. Vol.4 (2): 1178-1188 (2016).

  Varatharaj, M.Ravikumar, S.Sathiyan, Sanjay S Supe,Peripheral dose from a dual energy linear accelerator equipped with tertiary multileaf collimators and enhanced dynamic wedge. Gulf. J. Oncolog. 9. (2011).

 Arunkumar, Sanjay S Supe, M. Ravikumar, S. Sathiyan, K. M. Ganesh. Electron beam characteristics at extended source-to-surface distances for irregular cut-outs.. J Med Phys. 35 (4): 207-214 (2010).

 Varatharaj, M. Ravikumar, Sanjay S. Supe, S. Sathiyan, K. M. Ganesh, T. Arunkumar. Dosimetric verification of brain and head and neck intensity-modulated radiation therapy treatment using EDR2 films and 2D ion chamber array matrix. J. Cancer. Res. Ther. 6(2): 179-184 (2010).

 Varatharaj, M. Ravikumar, S.Sathiyan, S.S. Supe, T.R.Vivek, A. Manikandan.IMRT Implementation and patient specific dose verification with film and ion chamber array detectors. S. Sathiyan, M. Ravikumar, C. Varatharaj, S.S. Supe, S.L. Keshava. Gulf  J  Oncolog. 1(8): 20-7 (2010). 

 Sathiyan Saminathan, Ravikumar Manickan, Varatharaj Chandraraj, Sanjay. S. Dosimetric study of 2D ion chamber array matrix for the modern radiotherapy treatment verification. J Appl Clinical Med Phys. 11 (2): 116-127 (2010). 

 Sanjay S. Supe, T. K. Bijina, Varatharaj,  B. Shwetha, T. Arunkumar, S. Sathiyan, K. M. Ganesh, and M. Ravikumar   Optimized dose distribution of gammamed plus vaginal cylinders. Medical Dosimetry. 34(1): 20-25 (2009).

 Varatharaj, M. Ravikumar, Sanjay S. Supe, S. Sathiyan, K. M. Ganesh, T. Arunkumar.Dosimetric investigation of dual energy photon beams with assymmetric collimator jaws Pol J Med Phys Eng. 14(1):33-45 (2008).

 Sathiyan, M. Ravikumar Absolute dose determination in high energy electron beams: Comparison of IAEA dosimetry protocols., J Med Phys 33 (3); 108-113 (2008)

 Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, K. M. Ganesh et al Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source.  ,  Pol J Med Phys Eng;13(2);  55-64 (2007)

 S S Supe, C Varatharaj, T K Bijina, Shwetha B, S Sathiyan Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators.  , et al, Rep Pract Oncol Radiother, 12(6);  313-317 (2007)

 Sathiyan ,M. Ravikumar Exit dose measurement in therapeutic high energy photon beams and cobalt-60 gamma rays., Pol J Med Phys Eng, 13 (3); 139-148 (2007)

 Sathiyan, M.Ravikumar, Sanjay S Supe.,, Relative output factors and absolute equivalent square fields at depths for high energy X-ray and gamma ray beams Austral-Asian Journal of Cancer, 5 (4); 243-253 (2006).

 Sathiyan, M.Ravikumar, Sanjay S Supe., Measurement of backscattered dose at metallic interfaces using high energy electron Beams. Rep Pract Oncol Radiother, 11 (3); 117-121 (2006).

 Sathiyan, M. Ravikumar, R. Ravichandran.Analysis of clinical teletherapy gamma beams from radiotherapy machines., J. Med. Phys, 29 (2); 55-60 (2004).

 Ravikumar, R.Ravichandran, S.Sathiyan and S.S.Supe. Backscattered dose perturbation effects at metallic interfaces irradiated by high-energy x and gamma ray therapeutic beams., Strahlenther. Onkol., 180 ; 173-178 (2004).

 Sathiyan, R.Ravichandran, M.Ravikumar Introduction of beam flatness filter for ⁶⁰Co teletherapy beam and its efficacy in clinical radiotherapy.., J. Med. Phys, 28 (2); 56 - 60 (2003).

 Sathiyan, R.Ravichandran, M.Ravikumar Measurement of Radiation absorbed dose in high energy radiotherapy beams: A comparison of different protocols.., J. Med. Phys, 28 (1); 18-22 (2003).

 B Paul Ravindran, I Rabi Raja Singh, S Brindha and S. Sathiyan.Manual multi-leaf collimator for electron beam shaping – a feasibility study., Phys.Med. Biol. 47; 4389-4396 (2002).

 Sathiyan S, Rabi Raja Singh and B Paul Ravindran Modified ferrous ammonium sulfate benzoic acid xylenol orange (MFBX) and thermoluminescent dosimeters – A comparative study. S Brindha, J V R Rose,., Phys.Med.Biol. 47; N153-N158 (2002).

 

  

Dr. Shwetha B

Associate Professor of Radiation Physics

Qualification: M.Sc, Dip.R.P (BARC), Ph.D

Email: shwetha0828@yahoo.co.in

Joining Date: 21-07-2012  

Dr. Shwetha B has a professional experience of 15 years in the field of Medical Radiation Physics. She completed her Doctorate in Radiation Physics from Rajiv Gandhi University of Health Sciences, Bangalore in the year 2012. She has carried out research work in the field of dosimetry and clinical use of Brachytherapy.  She has 10 publications in national and international journals and has presented several papers in national and international conferences. She is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. Her areas of interest are dosimetry, quality assurance of external beam therapy and brachytherapy machines, treatment planning, radiation safety and teaching.

1. Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, M. Ganesh, T. Arunkumar, M. Ravikumar(2007),‘Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source’. Pol J Med Phys Eng. 13(2):55-64.
2. Shwetha B, M. Ravikumar, Siddanna R.P, Sanjay Supe, Sathiyan S. Dosimetric comparison of high dose rate brachytherapy and IMRT for cervical carcinoma. Med. Phys. 36(1), 2011; 111- 116.
3. Arunkumar, C. Varatharaj, M. Ravikumar, K.M.Ganesh, S.Sathiyan, Shwetha. B. Commissioning and validation of the electron Montec Carlo calculation at extended source to surface distance from a medical accelerator. International journal of Medical Research and Review. Vol.4 (2): 1155-1163 (2016).

 Varatharaj, Shwetha. B, Rekha Reddy B, M. Ravikumar, S.Sathiyan, K.M.Ganesh. Physical characteristics of photon and electron beams from a radiotherapy accelerator. International journal of Medical Research and Review. Vol.4 (2): 1178-1188 (2016).

4. Sanjay S. Supe, T. K. Bijina, Varatharaj,  B. Shwetha, T. Arunkumar, S. Sathiyan, K. M. Ganesh, and M. Ravikumar   Optimized dose distribution of gammamed plus vaginal cylinders. Medical Dosimetry. 34(1): 20-25 (2009).

 Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, K. M. Ganesh et al Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source.  ,  Pol J Med Phys Eng;13(2);  55-64 (2007)

 S S Supe, C Varatharaj, T K Bijina, Shwetha B, S Sathiyan Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators.  , et al, Rep Pract Oncol Radiother, 12(6);  313-317 (2007)

 

Dr. C. Varatharaj

Associate Professor of Radiation Physics

Qualification: M.Sc., M.Phil., Dip.R.P., Ph.D.,

 FUICC (USA), FICTP (Italy), FUICC (Canada)

Email: drvaratharaj@gmail.com

Joining Date: 23-07-2012  

Dr. C. Varatharaj has Professional Experience of 14 years as Clinical Physicist in Radiotherapy under various capacities. He received his Ph.D.  in Radiation  Physics in the year of 2011 and Joined our Institute in the year of 2012 as Assistant Professor of Radiation Physics.  He is a life member of various professional bodies like AMPI (Association of Medical Physicists of India) , AAPM (American Association of Physicists in Medicine ) and UICC (Union for International Cancer Control). He has been awarded UICC- ICREET fellowship at CTRC, University of Texas at San Antonio, Texas, USA during July - August 2009 for the first time and the second one to Carleton University, Ottawa, Canada during March - April 2016.  He has also undergone 3 months ICTP-IAEA fellowship at University of Udine, Italy during April – July, 2010. In his credit he has the 20 research publications of various national and International referred journals and presented 16 papers in National and International Conferences. He has received Best Paper Award at AMPICON 2010, SGPGIMS, Lucknow. He also awarded “AMPI Dr. M. S. Agarwal Young Investigator Award for the year of 2013” at AMPICON2013 at Kolkata.

1. Sanjay Sudhakar Supe, Chandraraj Varatharaj, Themantavida Krishnan Bijina, Shwetha Bondel, Saminathan Sathiyan, Kadirampatti  Mani Ganesh,Thangaraj Arunkumar, Manickam Ravikumar(2007) ‘Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators’, Rep PractOncolRadiother. 12(6): 313-317.

 Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, M. Ganesh, T. Arunkumar, M. Ravikumar(2007),‘Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source’. Pol J Med Phys Eng. 13(2):55-64.

 , RavikumarM., Sanjay S. Supe, SathiyanS., GaneshK. M., T. Arunkumar. (2008),‘Dosimetric investigation of dual energy photon beams with assymmetric collimator jaws’. Pol J Med Phys.Eng.14(1):33-45.

3. Arunkumar, T. and Supe, S.S. and Ravikumar, M. and Sathiyan, S.,Ganesh, K.M. and Varatharaj, C., (2009). "Electron beam characteristics at extended source to surface distance for a clinac-DHX linear accelerator", Polish Journal of Medical Physics and Engineering, vol. 15, no. 3, pp. 121-133
4. Sathiyan saminathan, Varatharaj Chandraraj, Sridhar C H, Ravikumar Manickam.Comparison of individual and composite field analysis using array detector for Intensity Modulated Radiotherapy dose verification Rep Pract Oncol Radiother.17(3): 157-162 (2012).
5. Varatharaj, M.Ravikumar, S.Sathiyan, Sanjay S Supe.Variation of beam characteristics between three different wedge systems. J. Med. Phys. Vol.36(3): 133-137 (2011).
6. Sathiyan Saminathan, Ravikumar Manickam, Varatharaj Chandraraj Plan evaluation and dosimetric comparison of IMRT using AAPM TG119 test suites and recommendations.. Australas Phys Eng Sci Med. 34(1): 55-61. (2011).
7. Rekha Reddy, Marc JP Chamberland, M. Ravikumar, C.Varatharaj. Experimental determination and Monte Carlo calculation of radial dose and anisotropy functions of BEBIG Co-60 HDR brachytherapy source in a bounded water phantom. J Contemp Brachyther. 2019;11(6): 563-572.

 Rekha Reddy, M. Ravikumar, C. Varatharaj. Experimental determination of radial dose function and anisotropy functions of GammaMed Plus 192Ir HDR brachytherapy source in a bounded water phantom and its comparison with egs_brachy Monte Carlo simulation. J Med Phys. 2019;44(4):246-253.

 Rekha Reddy, M. Ravikumar, M.R. Anil Kumar, C.R.TanvirPasha, C. Varatharaj, A. Pyakuryal and N. Ganesh. Physical and Radiobiological Evaluation of Accelerated Intensity Modulated Radiotherapy for Locally Advanced Head and Neck Cancer with Clinical Outcomes. Asian Pac J Cancer Prev. 2019:20(8);2463-2470.

 Rekha Reddy, M. Ravikumar, C. Varatharaj, N. Childress,T.R.Vivek. Implementation and evaluation of phantom less IMRT delivery verification using Fractioncheck. Gulf Journal of Oncology. 2019;31:26-35.

 Arunkumar, C. Varatharaj, M. Ravikumar, K.M.Ganesh, S.Sathiyan, Shwetha. B. Commissioning and validation of the electron Montec Carlo calculation at extended source to surface distance from a medical accelerator. International journal of Medical Research and Review. Vol.4 (2): 1155-1163 (2016).

 Varatharaj, Shwetha. B, Rekha Reddy B, M. Ravikumar, S.Sathiyan, K.M.Ganesh. Physical characteristics of photon and electron beams from a radiotherapy accelerator. International journal of Medical Research and Review. Vol.4 (2): 1178-1188 (2016).

13. Varatharaj, M.Ravikumar, S.Sathiyan, Sanjay S Supe,Peripheral dose from a dual energy linear accelerator equipped with tertiary multileaf collimators and enhanced dynamic wedge. Gulf. J. Oncolog. 9. (2011).
14. Varatharaj, M. Ravikumar, Sanjay S. Supe, S. Sathiyan, K. M. Ganesh, T. Arunkumar. Dosimetric verification of brain and head and neck intensity-modulated radiation therapy treatment using EDR2 films and 2D ion chamber array matrix. J. Cancer. Res. Ther. 6(2): 179-184 (2010).

 Varatharaj, M. Ravikumar, S.Sathiyan, S.S. Supe, T.R.Vivek, A. Manikandan.IMRT Implementation and patient specific dose verification with film and ion chamber array detectors. S. Sathiyan, M. Ravikumar, C. Varatharaj, S.S. Supe, S.L. Keshava. Gulf  J  Oncolog. 1(8): 20-7 (2010). 

 Sathiyan Saminathan, Ravikumar Manickan, Varatharaj Chandraraj, Sanjay. S. Dosimetric study of 2D ion chamber array matrix for the modern radiotherapy treatment verification. J Appl Clinical Med Phys. 11 (2): 116-127 (2010).

 Sanjay S. Supe, T. K. Bijina, Varatharaj, B. Shwetha, T. Arunkumar, S. Sathiyan, K. M. Ganesh, and M. Ravikumar   Optimized dose distribution of gammamed plus vaginal cylinders. Medical Dosimetry. 34(1): 20-25 (2009). 

19. Varatharaj, M. Ravikumar, Sanjay S. Supe, S. Sathiyan, K. M. Ganesh, T. Arunkumar.Dosimetric investigation of dual energy photon beams with assymmetric collimator jaws Pol J Med Phys Eng. 14(1):33-45 (2008).
20. Sanjay S. Supe, B. Shwetha, T. K. Bijina, C. Varatharaj, S. Sathiyan, K. M. Ganesh et al Measurement of Transit Time of a Gammamed-Plus Remote Afterloading High Dose Rate Brachytherapy Source.  ,  Pol J Med Phys Eng;13(2);  55-64 (2007)

 S S Supe, C Varatharaj, T K Bijina, Shwetha B, S Sathiyan Dosimetric evaluation of Gammamed High Dose Rate intraluminal brachytherapy applicators.  , et al, Rep Pract Oncol Radiother, 12(6);  313-317 (2007)

               

Dr. P. Senthil Manikandan

Associate Professor of Radiation Physics

Qualification: M.Sc (Med Rad.Phys)., Ph.D.

Email: senthilmanirso@gmail.com

Joining Date: 01-07-2017 

Dr. P. Senthil Manikandan has a professional experience of 13 years in the field of Radiation Oncology Physics. He completed Masters in Medical Radiation Physics from Manipal University, Karnataka in the year 2007 and Doctorate in Radiation Physics from Rajiv Gandhi University of Health Sciences, Bangalore in the year of 2014 and He is certified Radiation Safety Officer by the Atomic Energy Regulatory Board, Mumbai.  He is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. Carried out research work in the field of radiotherapy plan optimization and evaluation. He has three publications in national and international journals. He received best outgoing student award in his Masters degree at Manipal University in the year of 2007.  His areas of interests are in the field of small field radiation dosimetry, radiation dose distribution of inhomogeneous medium, Biological basis of treatment plan optimization and evaluation, quality assurance of external beam therapy and brachytherapy machines and radiation safety. 

1. S. Manikandan, S.S. Supe, M. Ravikumar, A. Katke. Comparison ofhomogeneity indices for quantitative evaluation of dose homogeneity forIMRT treatments of Head and Neck cancers‖ published in Gulf Journal of Oncology, Issue 11, 25-30, 2011
2. Palaniappan Senthil Manikandan, Sanjay Sudhakar Supe, Manickam Ravikumar, Sathiyan Saminathan. Dosimetric evaluation of conventional multileaf collimator based intensity modulated radiotherapy delivery technique: A treatment planning study. J Nucl Med Radiat Ther, 4(1): 1-7(2013).

                                                            

Dr. P. Sathyaraj­

Assistant Professor of Radiation Physics

Qualification: M.Sc (Med Phys)., Ph.D.

Email: sathiarajmedphy@gmail.com

Joining Date: 20-06-2019

Dr. P. Sathiyaraj has a professional experience of 7 years in the field of Radiation Oncology Physics. He completed Masters in Medical Physics from Anna University, Tamil Nadu in the year of 2012 and Doctorate in Medical Physics from VIT University, Vellore in the year of 2018 and He is certified Radiation Safety Officer by the Atomic Energy Regulatory Board, Mumbai.  He is a member of Association of Medical Physicists of India (AMPI). He has ten publications in national and international journals. One of his research finding was recognized as a best innovative work in IC3D DOSE conference-2014, Sweden. He has received Best Paper Award at 21st Annual Conference AMPITN-PY 2016, Madurai Medical College & Govt. Rajaji Hospital, Madurai. His areas of interests are in the field of Polymer gel dosimeter, Small field radiation dosimetry, Biological basis of treatment plan optimization & evaluation and Diagnostic Radiology.

 

Shri. S.D. Annaiah

Biomedical Engineer

Qualification: B.E (E&C)

Email: sd.annaiah@gmail.com

Joining Date: 15-03-2000

Mr. Annaiah has joined as Bio Medical Engineer in the Department of Radiation Physics in the year 2000. Presently he is carrying out Bio Medical equipment maintenance of the Institute. He has vast experience in servicing the radiotherapy machines, OT equipments, Laboratory equipments, diagnostic equipemnts etc. He also handles the Electrical section of the Institute.

 

 

D.Gowtham Raj

Assistant Physicist

Qualification: M.Sc, Medical Physics

Email: rajgowtham44@gmail.com

Joining Date: 28-01-2019    

2009. Gowtham Raj has a professional experience of 10 years in the field of Radiation Oncology Physics. He completed Masters in Medical Physics from Bharathidasan University, Trichy, Tamil Nadu in the year 2009. He is certified Radiation Safety Officer by the Atomic Energy Regulatory Board, Mumbai. To his credit, he has 5 research publications in National and International referred journals. His areas of interests are in Small field Dosimetry, Treatment Planning and evaluation, EPID Dosimetry, Quality Control of External beam therapy and Brachytherapy machines and radiation safety. 

 

                       

Dr. B.Rekha Reddy

Assistant Physicist

Qualification:  M.Sc., Dip.R.P., Ph.D.

Email: rekha_289@yahoo.co.in

Joining Date: 24-01-2019 

Dr. B.Rekha Reddy has a professional experience of 10 years in the field of Medical Radiation Physics. She has submitted her Ph.D.  in Radiation Physics at Rajiv Gandhi University of Health Sciences, Bangalore. Her research work focuses on modern radiotherapy treatment techniques, their theoretical analysis and experimental validation. She has 6 publications in national and international journals and has presented several papers in national and international conferences. She is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. She has received Best Paper Award at AMPICON 2019, Kolkata. Her areas of interest are treatment planning, dosimetry and quality assurance of external beam therapy and brachytherapy machines, radiation safety, teaching and montecarlo simulation techniques in brachytherapy planning and dosimetry.

 

 

Mr.C.Sivarajan

Assistant Physicist

Qualification: M.Sc (Med Phys)

Email: csivarajan@gmail.com

Joining Date: 30-05-2019 

Mr.C.Sivarajan has a professional experience of 22 years in the field of Radiation Oncology Physics. He completed Masters Degree  in Medical Physics from Anna University, Chennai in the year 1999. He is certified Radiation Safety Officer by the Atomic Energy Regulatory Board, Mumbai.  He is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. Carried out research work in the field of radiotherapy plan optimization and evaluation including commissioning of telecobalt unit and Nucletron HDR. He has five presentations in national Conferences.  His areas of interests are in the field of small field radiation dosimetry, radiation dose distribution of inhomogeneous medium, Plan Verification, Biological basis of treatment plan optimization and evaluation, quality assurance of external beam therapy and brachytherapy machines and radiation safety. He is actively involved in health safety aspects of Nuclear Medicine.  

    

Sushma N

Assistant Physicist

Qualification:  M.Sc. Medical Radiation Physics

Email: Sushma.poojar@gmail.com                                                        

Joining Date: 08-02-2019 

Mrs. Sushma N has a professional experience of 7 years in the field of Radiation Physics. She has completed  Masters Degree in Medical Radiation Physics from Manipal University, Manipal in the year 2015. She is certified Radiation Safety Officer (RSO) by the Atomic Energy Regulatory Board, Mumbai.  She is pursuing her Ph.D in the field of in-vivo dosimetry. She is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. She has one publication in national journal. She has done and has good knowledge about Commissioning of  Elekta Versa HD and Synergy. Her areas of interests are assessments of in vivo dosimetry in external radiotherapy with different types of dosimeters such as Ion chambers, radiochromic films, TLD, OSLD, MOSFET and their comparison with the calculated one in Treatment Planning system using cobalt-60, flattening filter free(FFF) beams and flattening filter(FF) photon beams. Plan verification of  treatment plan optimization and evaluation, quality assurance of external beam therapy and brachytherapy machines and radiation safety.

 

 

Mageshraja K

Assistant Physicist

Qualification: M.Sc. (Med Phys)

Email: Mageshraja.k@gmail.com

Joining Date: 30-09-2019                     

            Mr.Mageshraja K has a professional experience of 6 years in the field of Radiation Physics. He completed Masters Degree in Medical Physics from Bharathidasan University, Trichy in the year 2013. He is certified Radiation Safety Officer (RSO) by the Atomic Energy Regulatory Board, Mumbai.  He is a life member of Association of Medical Physicists of India (AMPI) and Karnataka Medical Physicists Association. He has one publication in international journal. He has done commissioning of three different vendors Varian, Elekta and Accuray machines. His areas of interests are in the field of small field radiation dosimetry like SRS, SRT and SBRT, Plan Verification, Biological basis of treatment plan optimization and evaluation, quality assurance of external beam therapy and brachytherapy machines and radiation safety. 

 

Shivamma S                                                                                                                   

Assistant Physicist

Qualification: M.Sc (RP)

Email: hemashree019@gmail.com

Joining Date: 11-11-2019

Mrs. Shivamma S has a professional experience of 3 year as Clinical Radiation Physicist. She completed her Masters in Radiation Physics from Kidwai Memorial Institute Of Oncology affiliated to Rajiv Gandhi University of Health Sciences, Bangalore , Karnataka in the year 2017. She is a certified Radiation Safety Officer by the Atomic Energy Regulatory Board, Mumbai.  Her areas of interest are treatment planning, dosimetry and quality assurance of external beam therapy and brachytherapy machines, teaching, handling of radiation dosimetric equipment. Quality control and Radiation Surveillance of Nuclear Medicine Department and radiation safety.

 

  

Mr. C.N. Manjunath

Designation: Plant Operator

Qualification: Dip. in Mechanical Engineering

Email: manjunathcnvasanthy@gmail.com

Joining Date: 28-05-1988 

Mr. C.N. Manjunath has a professional experience of 33 years in the Institute. In 1988 he joined as Plant Operator at RASHMI (Radiation Sterilization Plant for Medical Products) located at Kidwai Cancer Institute. He was posted in the Department of Radiation Physics to assist in the  Mould Room activities since 2010. Presently he is serving the cancer patients by preparing thermoplastic moulds, templates, Wax bolus, electron cut out, customized thermocol head rest and body immobilisation devices.