By Dr Mathangi J, Sr Consultant & In-charge – Radiation Oncology, Gleneagles Cancer Institute, Bangalore
Short answer (for featured snippets): An intraoperative radiation procedure delivers a single, targeted dose of radiation to the tumor bed at the time of surgery — typically during a lumpectomy or other tumour resection — and can often shorten or replace weeks of postoperative external beam radiotherapy while maintaining excellent local control in carefully selected patients. Published global analyses have reported very low 5-year local recurrence rates in selected early-stage breast cancer populations treated with IORT, illustrating its effectiveness when used appropriately.
Intraoperative radiotherapy (IORT) is a technique in which radiation is given directly to the area at highest risk for recurrence immediately after the tumour is removed. The benefit: precise targeting while healthy tissues are temporarily moved away, and the treatment is completed at a single timepoint. In practice, IORT is most often used for specific early-stage cancers (notably certain breast cancers) and as a boost in other sites such as head and neck or spine where an intraoperative boost offers radiobiological advantages. Multiple long-term clinical trials have demonstrated that targeted IORT during lumpectomy can serve as an effective alternative to whole-breast radiotherapy in selected patients.
Quick answer (snippet-ready): The typical IORT steps are: preoperative assessment, anesthesia and surgical resection, intraoperative radiation delivery, wound closure, recovery room observation, and follow-up planning. The entire process is coordinated by a multidisciplinary team led by the operating surgeon and the radiation oncologist (in this case, Dr Mathangi).
Short answer: The surgery radiation timing for IORT is immediate — radiation is delivered during the same surgery, just after tumour removal. The radiation portion’s treatment duration is usually about 20–40 minutes. The overall operative time varies based on the complexity of the surgery, but the radiation segment itself is relatively short.
Short answer: Most patients experience mild temporary discomfort, swelling, or bruising at the surgical site. Serious long-term complications are rare when patients are appropriately selected. Recovery guidelines cover wound care, activity restrictions, and red-flag symptoms to monitor.
Dr Mathangi J, with over 20 years of experience and more than 12,000 patients treated, leads a comprehensive, safety-oriented IORT program in Bangalore. Her advanced training from global centres, expertise in modern radiotherapy platforms, and leadership as Director of Fellowship in Advanced Radiotherapy Techniques ensure that every intraoperative radiation procedure is executed with precision, quality, and compassion. She works closely with surgeons, physicists, and nursing teams to deliver consistently excellent outcomes.
IORT is suitable only for selected patients based on tumour characteristics, stage, pathology, and the overall treatment plan. It is commonly used for specific early-stage breast cancers and as a boost in certain other cancers. A detailed evaluation with Dr Mathangi will determine whether an intraoperative approach or a conventional external beam radiotherapy schedule is better suited to your case.
To book an appointment, please submit your contact information through the official form at https://drmathangi.com/contact/. Her team will schedule your consultation and notify you of your appointment details.
An intraoperative radiation procedure is a one-time, targeted delivery of radiation directly to the area where a tumour has been removed, performed during the same operation. It is used to reduce the risk of local recurrence by delivering a high dose to the tumour bed while nearby healthy tissues are protected or moved aside. Dr. Mathangi and her multidisciplinary team offer this approach when it best fits the pathology and overall treatment plan.
The typical IORT steps include preoperative evaluation, anesthesia and tumour resection, positioning of applicators and shielding, delivery of the radiation dose while in the operating room, wound closure, and immediate recovery monitoring. Dr. Mathangi explains each phase during your consultation so you know who will be present, what each team member does, and how we ensure safety and accuracy.
The surgery radiation timing for IORT is immediate—the radiation is given at the time of surgery, just after the tumour is removed. Because the dose is administered intraoperatively, many patients require no additional external beam radiation; however, final pathology or specific risk features may lead Dr. Mathangi to recommend supplementary treatment. Your overall care plan is personalised and coordinated by the surgical and oncology teams.
The treatment duration for the radiation delivery itself is generally between 20 and 40 minutes depending on the applicator and prescribed dose. Total operating room time will be longer because it includes anesthesia, resection, preparation for radiation, and wound closure. Dr. Mathangi will give you an expected timeframe based on your specific procedure so you and your family can plan logistics and travel.
Patient preparation typically includes preoperative imaging and blood tests, a pre-anesthesia check, instructions on fasting, and guidance about which medications to continue or stop. Practical arrangements—such as transport home and a caregiver for the first 24–48 hours—are also advised. Dr. Mathangi’s team provides a clear checklist at consultation to make your experience smooth and stress-free.
Recovery expectations generally include mild pain, bruising, or swelling at the surgical site that improves over days to weeks. Most patients return to light activities within 1–2 weeks and normal routines within 4–6 weeks, although this varies by surgery type. Dr. Mathangi monitors wound healing closely and provides personalised guidance on wound care, pain control, and when to resume usual activities.
Good candidates are selected based on tumour type, size, pathology and overall health; early-stage breast cancers and certain cases where an intraoperative boost is helpful are common examples. To arrange a consultation with Dr. Mathangi at Gleneagles Cancer Institute, submit your contact details via the contact form on https://drmathangi.com/contact/. Her team will schedule an appointment and explain next steps.
Your information is kept strictly confidential.
