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VerifiedKolkata • IGRT
Detailed Explanation of IGRT
The IGRT procedure and treatment planning process were explained clearly. Dr. Janmenjoy Mondal also discussed how imaging would help improve treatment accuracy.

Oncology
Radiation Oncologist & Precision Radiotherapy Specialist14+ Years of Experience in Radiation Oncology and Advanced Radiotherapy.
Desun Hospital
Kolkata
Dr. Janmenjoy Mondal is an experienced Radiation Oncologist in Kolkata with more than 14 years of experience in radiation-based cancer treatment. He specialises in advanced and precision radiotherapy techniques used to treat different types of solid tumors while limiting unnecessary radiation exposure to surrounding healthy tissues.
Dr. Janmenjoy Mondal completed his MBBS followed by MD in Radiation Oncology. He subsequently received specialised training at the Memorial Sloan Kettering Cancer Center (MSKCC), New York, one of the internationally recognised centres for cancer care and oncology research.
His advanced training includes modern radiation technologies such as Intensity-Modulated Radiation Therapy (IMRT), Image-Guided Radiation Therapy (IGRT), Volumetric Modulated Arc Therapy (VMAT), Proton Therapy, Adaptive Radiation Therapy and MR-LINAC-based radiotherapy.
Dr. Mondal has particular clinical interests in radiation treatment for head and neck cancers, breast cancer, prostate cancer and brain tumors. Radiation treatment is planned according to cancer type, location, stage, surrounding organs and the patient's overall clinical condition.
His practice also includes advanced precision radiation techniques designed to accurately target tumors while reducing radiation exposure to nearby normal tissues. These approaches may be used alone or in combination with surgery, chemotherapy, immunotherapy or other systemic cancer treatments depending on the patient's multidisciplinary treatment plan.
Dr. Janmenjoy Mondal is actively involved in oncology research and academic activities. He is associated with several professional organisations, including ASTRO, CARO, ASCO, AROI, ISNO and ESMO, reflecting his continued involvement in advances in radiation oncology and cancer care.
Radiation therapy uses carefully planned high-energy radiation to destroy or control cancer cells. Treatment is customised according to the cancer type, location, stage and surrounding healthy structures.
IMRT is an advanced radiotherapy technique that adjusts the intensity of individual radiation beams to closely match the shape of the tumor while reducing unnecessary radiation exposure to surrounding organs.
IGRT uses imaging before or during treatment sessions to verify the exact tumor position and improve the accuracy of radiation delivery throughout the treatment course.
VMAT delivers intensity-modulated radiation while the treatment machine rotates around the patient, allowing precise radiation dose delivery to complex tumor shapes.
3DCRT uses three-dimensional imaging and treatment planning to shape radiation beams according to the tumor while reducing radiation exposure to surrounding healthy tissues.
Stereotactic radiosurgery delivers highly focused radiation to selected brain tumors and other intracranial lesions with high precision, without requiring a conventional surgical incision.
SBRT delivers highly focused doses of radiation to selected tumors outside the brain, generally over fewer treatment sessions than conventional radiotherapy.
Adaptive radiation therapy allows the treatment plan to be modified when changes in tumor size, anatomy or surrounding organs occur during the radiotherapy course.
Proton therapy uses proton particles to deliver radiation with controlled dose distribution and may help reduce radiation exposure to healthy tissues in appropriately selected cancers.
MR-LINAC combines magnetic resonance imaging with a linear accelerator, allowing radiation teams to visualise tumors and surrounding tissues during treatment and adapt radiation delivery when necessary.
Brachytherapy places a radioactive source close to or inside the tumor area and can deliver a concentrated radiation dose while limiting exposure to surrounding tissues.
Radiation therapy is commonly used in cancers affecting the oral cavity, throat, larynx and other head and neck structures, either alone or combined with chemotherapy and surgery depending on disease stage.
Radiation therapy may be recommended after breast-conserving surgery or mastectomy depending on the stage, tumor characteristics and risk of local cancer recurrence.
Radiotherapy can be used as a primary treatment or as part of multimodal treatment for prostate cancer, with the radiation technique selected according to disease risk and individual patient factors.
Radiation treatment for brain tumors may involve conventional radiotherapy, highly conformal radiotherapy or stereotactic techniques depending on tumor type, size and location.
Palliative radiotherapy can help reduce cancer-related symptoms such as pain, bleeding, neurological compression or other complications in patients with advanced disease.
MBBS, MD (Radiation Oncology)
Radiation Therapy, Intensity-Modulated Radiation Therapy (IMRT), Image-Guided Radiation Therapy (IGRT)
Genuine patient experiences and treatment feedback.
Quick answers to common questions about Dr. Janmenjoy Mondal
Dr. Janmenjoy Mondal is a Radiation Oncologist in Kolkata with expertise in modern precision radiotherapy and radiation-based cancer treatment.
Dr. Janmenjoy Mondal specialises in Radiation Oncology and has expertise in advanced radiation techniques including IMRT, IGRT, VMAT, Proton Therapy, Adaptive Radiotherapy and MR-LINAC.
Dr. Janmenjoy Mondal holds an MBBS and MD in Radiation Oncology and has received specialised Radiation Oncology training at Memorial Sloan Kettering Cancer Center in New York.
Dr. Janmenjoy Mondal has more than 14 years of experience in Radiation Oncology.
He is currently listed as a Consultant Radiation Oncologist at Desun Hospital, Kasba, Kolkata. HCG Cancer Hospital Kolkata also currently lists him in its Radiation Oncology department
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