MANIYAN PARAMASIVAM
Tirupattur,India
Summary
Driven Medical Physicist with a strong knack for problem- solving, dedicated to enhancing patient outcomes through high quality radiation therapy planning techniques. Expert in radiation safety, dosimetry, quality assurance ensuring compliance with regulatory standards while maintaining a safe environment for patients and staff. Spearheaded multiple commissioning projects that streamlined clinical workflows, improved treatment accuracy. Recognized for fostering collaborative, multidisciplinary environments that ensure seamless communication and optimized equipment performance.
Overview
14
14
years of professional experience
1
1
Certification
Work history
Medical Physicist
Sheikh Khalifa Specialty Hospital
Ras Al Khaimah, United Arab Emirates
12.2024 - 12.2025
- Improving clinical outcomes by providing critical input on treatment plans and ensuring compliance with standards.
- Achieving optimal treatment efficacy by customizing radiation therapy based on individual patient needs.
- Maximizing efficiency within the department by maintaining accurate records of equipment use, calibration data, and quality control results.
- Reducing radiation exposure risks to patients through effective treatment planning and ensure with QA.
- Streamlining workflow processes by collaborating with interdisciplinary teams of radiation oncologist, Radiotherapy Technologist.
- Collaborating closely with radiation oncology team to develop comprehensive strategies for treating complex cases.
- Evaluating treatment plans for accuracy and consistency, ensuring precise delivery of prescribed radiation doses to patients.
- Promoting a culture of continuous improvement within the department by identifying areas for process optimization and recommending appropriate solutions.
- Assisting in troubleshooting technical issues related to radiation therapy equipment, software related issues to minimize downtime and preserve continuity of care for patients.
- Assisting radiation oncologists in contouring normal organs and performing image fusion in MIM software for precise treatment planning, ensuring optimal organ sparing and accurate dose delivery.
- Addressing radiation safety-related queries and contributed as an active member of the Radiation Safety Committee, ensuring adherence to regulatory guidelines and promoting a safe working environment.
- Actively supporting the development and implementation of SOPs and radiation safety manuals to ensure compliance and safe radiation practices.
Medical Physicist and RSO
Zydus Hospitals and Healthcare Research Pvt Ltd
Ahmedabad
03.2019 - 11.2024
- Leadership: Overseen Medical Physics, Radiology, Nuclear Medicine departments and radiation safety.
- Elekta Training Coordinator: Served as Trainer and Training Coordinator for Elekta, with Zydus Hospital and it is recognized as one of Elekta's International Training Center.
- Equipment Commissioning: Successfully commissioned Two Versa HD linear accelerators.
- Treatment Planning & Delivery: Expertise in advanced techniques (SRS, SRT, SBRT, VMAT, IMRT), utilizing Monaco 6.1.2 TPS, ABAS, Mosaiq 2.83.
- Quality Assurance: Comprehensive QA programs for linear accelerators, CT simulators, including daily, weekly, monthly, annual, TPS QA, Patient-specific QA, SunCheck Machine MLC QA. Suncheck Machine Winston lutz QA
- Radiation Safety: Implementing and maintaining radiation safety programs, emergency preparedness plans, and staff training.
- Patient Management: Ensuring optimal patient positioning, treatment delivery, and dose minimization through advanced imaging.
- Training & Development: Serving as an Elekta training center coordinator, providing expertise and mentorship to other professionals.
- Technical Proficiency:
- Treatment Planning Systems: Monaco 6.1.2.
- Patient Management Systems: ABAS, Mosaiq 2.83.
- Dosimetry Systems: EPIbeam, EPIgray, Arc Check, Sun Check, Stereo Phan, Pentaguide.
- Quality Assurance Tools: Ion Chambers, RFA (Sun Nuclear), TRS-398, KVCBCT, IviewGT, ABC.
- Developed innovative tools for treatment delivery (adjustable TBI box & adjustable beam spoiler).
- Established robust radiation safety protocols and emergency response procedures.
- Contributed to enhanced patient care through optimized treatment planning and delivery.
- Successfully mentored and trained healthcare professionals in radiation oncology.
- Proven ability to lead and manage complex medical physics and radiation safety programs within a multi-hospital setting.
Medical Physicist (RSO)
Narayana Hrudayalaya Limited
Bangalore
07.2016 - 03.2019
- Clinical Expertise:
- Proven experience in SRS, SRT, SBRT, VMAT, IMRT, and 3D treatment planning.
- Proficient in Monaco 3.1, CMS XiO 4.8 (Convolution Superposition Algorithm),and Ergo++ for stereotactic frame localization.
- Quality Assurance & Dosimetry:
- Performed daily, weekly, and monthly QA for linear accelerators (Elekta Synergy(S), Beam Modulator), brachytherapy machines (Telecobalt, Flexitron), and CT simulators (G-simulator).
- Conducted transmission factor measurements, daily output checks, electron cut-out measurements, and utilized Penta Guide Phantom and IBA (Ion Chambers, RFA) for QA.
- Patient Care & Treatment Delivery:
- Ensured optimal patient positioning and treatment delivery through KVCBCT, IviewGT, ABC, and minimized dose exposure.
- Monitored treatment progress and verified adherence to treatment plans.
- Education & Training:
- Instructed B.Sc Radiotherapy Technologist students on radiation therapy curriculum.
- Delivered regular presentations to the Radiation Oncology Department on radiotherapy advancements and technology.
- Radiation Safety:
- Managed annual safety reports, TLD dose evaluations, safety protocols, and emergency procedures for radiation safety.
- Conducted comprehensive radiation safety training programs for staff members, covering topics such as radiation protection principles, emergency procedures, and regulatory compliance.
- Conducted daily QA and necessary checks for new brachytherapy sources (Flexitron) and Planning and ensured safe execution of intracavitary, interstitial, and surface mold brachytherapy plans using FlexiPlan TPS.
Medical Physicist (RSO)
International Oncology Service Pvt. Ltd
Noida
04.2015 - 06.2016
- Clinical Expertise:
- Proficient in 3D, IMRT, RapidArc SBRT, and SRS planning using Eclipse 11 (AAA algorithm) and iPlan 4.1.4 (BrainLab).
- Experienced in utilizing 4DCT and breath-hold techniques with respiratory gating systems for precise treatment delivery.
- Quality Assurance & Dosimetry:
- Implemented and executed daily, weekly, monthly, and annual QA for linear accelerators (Varian Trilogy), CT simulators, and PET CT (Philips) using RFA (PTW), ion chambers (PTW), and TRS-398/AERB Tech Doc protocols.
- Ensured accurate patient positioning through KVCBCT and KV orthogonal images, minimizing dose exposure.
- Education & Training:
- Provided lectures and guidance to trainees on various aspects of radiation therapy.
- Maintained comprehensive patient records, QA documentation, and regular backups for efficient workflow and data integrity.
- Brachytherapy Expertise:
- Conducted daily, Monthly and Annual QA for HDR-Microselectron (Nucletron) brachytherapy source.
- Performed intracavitary brachytherapy planning using Cylindrical, Fletcher suit, and MUPID applicators with Oncentra Treatment Planning System 4.3.
Medical Physicist (RSO)
Karnatak Cancer Therapy and Research Institute (KCTRI)
Hubli
08.2014 - 04.2015
- Clinical Expertise:
- Extensive experience in VMAT, IMRT, 3D, and 2D planning using CMS XiO 5.0 (Convolution Superposition Algorithm) and Monaco 5.0 (Monte Carlo Algorithm). Proficient in manual planning and treatment time calculations for Telecobalt Phoenix using a digitizer.
- Ensured accurate patient positioning and treatment delivery through KVCBCT, minimizing dose exposure. Provided clinical and technical support for optimal patient setup and treatment outcomes.
- Monitored patient treatment progress, implemented corrective actions for missed treatments, and maintained comprehensive patient records.
- Quality Assurance & Dosimetry:
- Conducted daily, weekly, monthly, and annual QA for linear accelerators (Elekta Synergy Platform, Phoenix, Theratron 780C), brachytherapy machines, and CT simulators using Penta Guide Phantom, IBA ion chambers, and RFA.
- Performed transmission factor measurements, daily output checks, and electron cut-out measurements.
- Radiological Safety Officer (RSO) Responsibilities:
- Implemented and maintained radiation safety programs, including annual safety reports, TLD dose evaluations, instrument calibrations, emergency procedures, and staff training.
- Brachytherapy Expertise:
- Conducted QA for Gamma Med Plus HDR machine.
- Performed C-arm imaging, intracavitary planning using BrachyVision (Eclipse), and safe brachytherapy treatment execution.
Medical Physicist (RSO)
Nirali Memorial Radiation Centre, Bharat Cancer Hospital & Research Institute
Surat
04.2012 - 07.2014
- Clinical Expertise:
- Proficient in IMRT treatment planning and implementation using Prowess 5.1 (Collapsed Cone Convolution Algorithm & DAO).
- Conducted comprehensive plan checks for irregular, 2D, 3D, and IMRT plans.
- Provided clinical and technical support, including patient setup and electron treatment dosimetry.
- Quality Assurance & Dosimetry:
- Implemented and executed daily, weekly, and monthly QA for linear accelerators (Siemens Oncor Expression), brachytherapy machines, and CT simulators (Siemens Somatom Emotion) using ion chambers (PTW), RFA (PTW), and TRS-398 protocols.
- Calibrated IMatriXX (IBA) for IMRT 2D and point dose verification using Multi-cube Phantom and Omni Pro IMRT software.
- Performed manual MU calculations for 2D and 3D plans to ensure TPS accuracy.
- Technical Support & Troubleshooting:
- Provided basic technical support and maintained downtime records for equipment failures.
- Utilized EPSON flatbed scanner and Gaf chromic film with medphysto software for film dosimetry.
- Brachytherapy Expertise:
- Conducted daily QA for HDR Nucletron (micro selectron) source activity, indexer length, and imaging equipment.
- Treatment Planning & Delivery: Experienced in Nucletron microSelectron and Oncentra Treatment Planning Systems for cervix and vaginal treatments. Performed source changes in collaboration with engineers.
Education
PhD - Medical Physics
Karunya Institute of Technology and Sciences
CoimbatoreMaster of Science - Medical Physics
Bharathiyar University
Coimbatore /2010 - /2012
Master of Business Administration - Hospital Management and Business Administration
Venkateshwara Open University
Itanagar /2020 - /2022
Bachelor of Science - Physics
Thiruvalluvar University
Tirupattur /2007 - /2010
XII -
Dominic Savio Hr Sec School
Tirupattur /2006 - /2007
X -
Dominic Savio Hr Sec School
Tirupattur /2004 - /2005
Skills
- Treatment Planning of VMAT, SRS, SBRT, TBI, IMRT and 3DCRT and Brachytherapy
- Commissioning
- Dosimetry
- Quality Assurance
- Expertise in Radiation safety for radiation oncology, Radiology and Nuclear Medicine Departments
- Regulatory compliance
- Radiation facility layout preparation and approval from authority
- Machine Calibration
- SOP
- Purchase Management
- Training Co Ordinator
- Problem Solving
- Adaptability
- Attention to detail
- Critical thinking
Certification
- Certification of Radiological Safety Officer (Radiotherapy, Nuclear Medicine and Radiology) by Government of India.
- MOH License - Ministry of Health and Prevention for Medical Physicist (United Arab Emirates License).
- Life time Member of Association of Medical Physicists of India (An affiliate of the INDIAN NATIONAL SCIENCE ACADEMY & THE INTERNATIONAL ORGANIZATION FOR MEDICAL PHYSICS).
- Member of Emirates Medical Association for Medical Physicists.
- Member of Institute of Physics and Engineering in Medicine (IPEM).
- Certification of GDPR, data protection, Privacy
- Certification of Data Governance
LANGUAGES
Tamil Native language
Beginner
English Advanced
Beginner
Hindi Upper intermediate
Beginner
Tamil Proficient
Beginner
Affiliations
- Dance, Read, Yoga, Cricket, Badminton
PROJECT AND PUBLICATIONS
- Effect of Intensity levels and minimum segment sizes in the IMRT Treatment planning
- Characterisation of small photon field outputs in a heterogeneous medium using X-ray voxel Monte Carlo dose calculation algorithm
- Patient-Specific QA Efficiency: A Comparative Evaluation on Efficacy and Workflow of ArcCHECK and EPID-Based EPIbeam Methods” for poster presentation at AMPICON 2025
SPECIALIZED INTERNATIONAL TRAININGS AND WORKSHOPS
- Two Monaco Training with Certification in Elekta Medical Systems Pvt ltd, Gurgaon.
- SRS/SBRT Training with Certification in University Hospital, Ludwig- Maximillians-University, Grobhadern, Munich, Germany.
- Sun Light- Workshop on precision in Practice : Small Field Dosimetry for LINAC and QA for Ring Gantry in Sir H.N. Reliance Foundation Hospital and Research Centre, Mumbai, India.
- International Workshop on Radiation Technology in Health Care and its Safety (RADTECHS) in Bharathiar University.
- Workshop on Total Body Irradiation In Narayana Health City, Bangalore.
- Conducted as a faculty on Radiation Safety Certification Programme for Regularisation of Radiation therapy Technologists.
- International Workshop on Surface Guided Radiation Therapy at PSG Institute of Oncology, Coimbatore.
EXPOSURES IN THE FIELD
Linacs
- VERSA HD
- Varian Trilogy
- Elekta Synergy Platform
- Elekta Synergy - Beam Modulator
Brachytherapy
- Micro-Selectron
- Gamma Med Plus- iX
- Fexitron
Telecobalt
- Theratron-780C
- TELECOBALT – Phoenix
TPS and Softwares
- Monaco
- Eclipse
- IPlan
- Nucletron Oncentra (CVS AND ICA)
- Prowess Panther
- XiO (CMS)
- Raystation
- Flexiplan (Brachy)
- Brachyvision (Brachy)
- Oncostudio
- MiM
SGRT
- C-Rad
QA Tools
- RFA – IBA, SNC, PTW
- IMatriX
- Ball bearing phantom
- Pentaguide
- Dosisoft (EPIbeam & EPIgray)
- Sun Check Machine
- Verisoft QA
- WL phantom
- KV and MV phantom
- Stereophan
- Arc Check
- MIMI Phantom
- Lucy Phantom
- Isoline device
- 1D phantom
- 20/10 phantom
- Mapcheck
- Electron Density Phantom
COMPUTER SKILLS
- MS Excel, MS Word, MS Powerpoint
- MU Calculator software through Excel
- Type writing
- Pylinac (Python)- In Progress
- Basic C++
REFERENCES
- Sri Ramachandran, Medical Physicist Cum RPO at Dubai, UAE.
- Karthikeyan, Kalyanasundaram, Lead Medical Physicist, Burjeel Medical city
- Guru Prasad, Mohanty, Radiation Oncologist, Zydus Hospital, Vadodara
- P.K. Sharma, The Head of Radiation Oncology, International Oncology Pvt. Ltd, Noida
- Saurabha Kumar, Radiation Oncologist, NH, Bangalore
- Nilesh Mahale, The Head of Radiation Oncology, Bharat Cancer Hospital, Surat
- Amit Anil Nirhali, Chief Medical Physicist and RSO, Sahyadri Super Specialty Hospital, Pune
Timeline
Medical Physicist
Sheikh Khalifa Specialty Hospital
12.2024 - 12.2025
Medical Physicist and RSO
Zydus Hospitals and Healthcare Research Pvt Ltd
03.2019 - 11.2024
Medical Physicist (RSO)
Narayana Hrudayalaya Limited
07.2016 - 03.2019
Medical Physicist (RSO)
International Oncology Service Pvt. Ltd
04.2015 - 06.2016
Medical Physicist (RSO)
Karnatak Cancer Therapy and Research Institute (KCTRI)
08.2014 - 04.2015
Medical Physicist (RSO)
Nirali Memorial Radiation Centre, Bharat Cancer Hospital & Research Institute
04.2012 - 07.2014
PhD - Medical Physics
Karunya Institute of Technology and Sciences
Master of Science - Medical Physics
Bharathiyar University
/2010 - /2012
Master of Business Administration - Hospital Management and Business Administration
Venkateshwara Open University
/2020 - /2022
Bachelor of Science - Physics
Thiruvalluvar University
/2007 - /2010
XII -
Dominic Savio Hr Sec School
/2006 - /2007
X -
Dominic Savio Hr Sec School
/2004 - /2005