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Image-Guided Radiation Therapy

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Questions and Answers

Which imaging techniques can be paired with Image-Guided Radiation Therapy (IGRT)?

MRI only

X-ray only

MRI, CT, ultrasound, and more (correct)

CT only

What is the purpose of Image-Guided Radiation Therapy (IGRT)?

To scale the exact size and area of the tumor

To monitor the treatment while it is being given (correct)

To capture images of the patient after the treatment

To compare the position of external setup marks and internal anatomy with the treatment plan

When does the oncologist make adjustments during the treatment with IGRT?

Before the treatment starts

During the treatment (correct)

After the treatment ends

Only if the patient requests it

What is the rationale of IGRT treatment?

<p>To image the patient just before treatment and compare the position of external setup marks and internal anatomy with the treatment plan</p> Signup and view all the answers

How does using MRI with the IGRT machine help during treatment?

<p>It helps with monitoring the patient during treatment and the movement of the tumor</p> Signup and view all the answers

Study Notes

Image-Guided Radiation Therapy (IGRT)

Imaging techniques that can be paired with IGRT include: CT, MRI, PET, and ultrasound.
The purpose of IGRT is to ensure precise and accurate delivery of radiation to the tumor site, while minimizing exposure to surrounding healthy tissue.
During IGRT, the oncologist makes adjustments to the treatment in real-time, based on continuous imaging and monitoring of the tumor's position and movement.
The rationale of IGRT treatment is to increase the therapeutic ratio, meaning to maximize the dose of radiation to the tumor while minimizing the dose to surrounding healthy tissue.
Using MRI with the IGRT machine helps during treatment by providing high-quality, soft-tissue images in real-time, allowing for accurate tracking and targeting of the tumor, even in areas with complex anatomy.

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Test your knowledge on Image-Guided Radiation Therapy with this quiz! Learn about the benefits of monitoring treatment in real-time and making adjustments as needed.