Welcome guest
Monday to Friday8AM - 9PM
AddressABC A-504, Rajnigandha Apartment, VADODARA-390007, GUJARAT, India.
Cancer Intensity Modulated Radiation Therapy (IMRT) is an advanced technique used in radiation oncology to treat cancer.
IMRT uses computer-controlled x-ray accelerators to deliver precise radiation doses to a malignant tumor or specific areas within the tumor while minimizing the dose to surrounding healthy tissue. This precision allows for higher doses of radiation to be delivered to the tumor while reducing the risk of damaging nearby organs or tissues, thus potentially minimizing side effects.
Here are some common types as below:
- Static IMRT
- Dynamic IMRT
- Volumetric Modulated Arc Therapy
- Tomotherapy
Following are the procedure steps:
Consultation and Evaluation: The process begins with a consultation with a radiation oncologist. During this appointment, the oncologist will review the patient's medical history, imaging studies (such as CT scans or MRIs), and biopsy results to determine the type, stage, and location of the cancer. The oncologist will discuss treatment options, including the possibility of IMRT, and answer any questions or concerns the patient may have.
Treatment Planning: If IMRT is deemed appropriate, the next step is treatment planning. This involves a team of radiation oncologists, medical physicists, and dosimetrists working together to develop a customized treatment plan tailored to the patient's specific anatomy and tumor characteristics. The treatment planning process typically includes:
1. CT Simulation:
The patient undergoes a CT scan in the treatment position, which allows the radiation oncology team to precisely locate the tumor and surrounding healthy tissues.
2. Target Delineation:
Using the CT images and other imaging studies, the radiation oncologist delineates the target volume (tumor) and identifies nearby critical structures, such as organs at risk.
3. Dose Prescription:
The radiation oncologist specifies the desired radiation dose to be delivered to the tumor while minimizing dose to surrounding healthy tissues.
4. Treatment Optimization:
Medical physicists and dosimetrists use specialized treatment planning software to optimize the delivery of radiation beams, including adjusting beam angles, shapes, and intensities to maximize dose to the tumor and minimize dose to surrounding normal tissues. 5. Quality Assurance:
The treatment plan undergoes rigorous quality assurance checks to ensure its accuracy and safety.
Treatment Delivery: Once the treatment plan has been finalized and approved, the patient begins the course of IMRT. Treatment sessions are typically scheduled daily, Monday through Friday, over several weeks. Each treatment session typically lasts 15 to 30 minutes, although this can vary depending on the complexity of the treatment plan.
Before each treatment session, the patient is positioned on the treatment table in the same position as during the CT simulation.
The radiation therapist may use imaging techniques, such as X-rays or cone-beam CT, to verify the patient's position and alignment with the treatment plan.
The radiation therapy machine delivers the prescribed dose of radiation to the tumor using carefully calculated beam angles, shapes, and intensities.
Follow-up: After completing the course of IMRT, the patient will have regular follow-up appointments with the radiation oncologist to monitor their progress and assess for any potential side effects or complications. Imaging studies, such as CT scans or MRIs, may be performed periodically to evaluate treatment response and disease status.