Radiation Oncology Department :



Dr. Vinita Trivedi
Department of Radiation Oncology

Message of HOD Department

Having served this hospital for more than 14 years,it gives me immense pride in saying that the Mahavir Cancer Sansthan has been providing efficient, reliable and personalized healthcare with sheer dedication,all under one roof.In this esteemed institute ,I am really privileged to head the department of Radiotherapy , which is a big team of extremely accomplished and dedicated Radiation oncologists, Medical physicists and Radiotherapy technologists.We provide expertised and integrated Radiotherapy using all the modern cutting edge technologies at a very subsidized cost, accessible to the patients of all levels of socio-economic strata.

Dr. Vinita Trivedi
Department of Radiation Oncology

Radiation Oncology Department

Radiation Oncology is branch of Medicine which uses Ionizing Radiation as part of Cancer Treatment to control malignant cells. 2/3rd of cancer patients require Radiation Therapy either alone or in combination with Surgery and Chemotherapy. It plays a very important role in curing early stage cancer and in improving lifespan of advanced cancer patient.
The Radiation Oncology Department at Mahavir Cancer Sansthan, Patna, Bihar is equipped with state of the art equipment manned by expert Radiation Oncologists, Medical Physicists and Radiation Technologists, Radiation oncology nurses and supportive teams. We use sophisticated equipment for delivering the best in Cancer Care.
Our department started with Telecobalt unit (Theratron-780E) in the year 1998. Nucletron Microselectron HDR brachytherapy machine was installed in the year 2000 and second Telecobalt unit Pheonix-80 in 2006. Later on Elekta Synergy Platform Linear Accelerator with Electronic Portal Imaging Device (EPID) was installed for the first time in Bihar on January 2011. It was upgraded to Elekta Synergy CBCT with Apex-DMLC with Online image verification system (CBCT (XVI) in the year 2012. Second Linear Accelerator, Varian Unique Performance with rapid Arc facilities will be installed in Jan 2017.
We provide 2D treatment and 3D conventional treatment (using CMS XiO) in cobalt machines and 3DCRT, IMRT, IGRT, Stereotactic Radiotherapy on linear accelerator using Monaco and XiO planning system.


A) Machines available at the Radiotherapy Department

Two Cobalt Machines.
Theratron 780 E
Pheonix 80
One Linear Accelerator:Elekta Synergy with Apex- DMLC with 6MV, 10MV, 15MV Photon energy & 4, 6,8, 10,12 & 15 Mev electron. 3DCRT, IMRT, IGRT, and SRT with Monaco and XIO Treatment Planning System and two Contouring workstation, Focal Sim and Focal Pro.
One Microselectron HDR Brachytherapy unit with Oncentra BT Planning System.
2nd Linear accelerator (Varian Unique Performance with eclipse planning system to be furnished in January. 2017

B) Dosimetric Instruments
1) Radiation Field Analyzer- Blue Phantom2
2) Imatrixx for IMRT Dose Verification
3) Body Phantom for Point Dose Measurement
4) Small field Diode Chambers
5) All Types of SSD Chambers
6) Film Dosimetry

Treatment Services available at Mahavir Cancer Sansthan, Patna, Bihar:

Two Dimensional Radiotherapy (Conventional Radiotherapy)
Two dimensional Radiotherapy planning requires X-ray images for treatment planning. The anatomical landmarks are viewed from X-ray images and the area to be treated (field size) are calculated using this data. Treatment time is calculated using field size and depth of the tumor from patient surface. It is a low cost therapy.

3DCRT (3D Conformal Radiation Therapy):
Three-dimensional conformal radiotherapy (3-DCRT), treatments IGRT is the process of frequent two and 3D imaging taken during a course of radiation treatment, allows efficient verification of tumor and critical structure position, providing increased confidence in dose placement.
t are based on 3-D anatomic information and use dose distributions that conform as closely as possible to the target volume in terms of adequate dose to the tumor and minimum possible dose to normal tissue.
The patient is immobilized and CT images are taken with immobilizing devices. The images are verified in contouring system by Physicians and disease drawn in CT images. Physicist plans for this contour as minimum dose to normal tissue and maximum dose to target using Multi leaf collimator (MLC).


IMRT (Intensity Modulated Radiation Therapy) :
IMRT is an approach to radiation Therapy that delivers high, Conformal Dose to The Tumor by restricting the exposure to the Surrounding Normal Tissue.
IMRT uses multiple small radiation beamlets of varying intensities to precisely conform to tumor.
Radiation Intensity and beam shape is controlled throughout each treatment Using Multileaf collimators a, allowing relatively uniform Dose to the tumor at a Sharp fall of the Dose to surrounding normal Organ.
IMRT is necessary where critical normal structures are very close to the tumors or when a higher dose of radiation is requirement for tumors eradication and in cases of re-irradiation. After verifying plan using patient specific phantom, the treatment is delivered.

IGRT (Image Guided Radiation Therapy):
IGRT is the process of frequent two and 3D imaging taken during a course of radiation treatment, allows efficient verification of tumor and critical structure position, providing increased confidence in dose placement.
IGRT is more advanced and newer technique of modern radiotherapy. IGRT combines traditional radiation treatment with a simultaneous cone beam CT scan to allow for greater precision and accuracy when targeting and treating tumors.

SRT (Stereostactic Radiotherapy):
SRT is an external beam radiation therapy procedure that uses a combination of stereotactic apparatus and multiple non-coplanar isocentric arcs directed at a small, but a well defined tumor.


Brachytherapy or Internal Radiation Therapy:
Brachytherapy involve use of high dose of radiation by inserting radioactive source in or around tumor. HDR (High Dose Rate brachytherapy) using Ir-192 Source is available in our institution.
We provide all types of brachytherapy treatments using conventional 2D x-ray based and CT based planning using Oncentra planning system.
Brachytherapy treatments available are:
1. Intracavitary Radiotherapy
2. Intraluminal Radiotherapy
3. Interstitial Radiotherapy
4. Surface Mould Radiotherapy



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