Mastering Immobilization in Radiotherapy

Which of the following materials is commonly used for immobilization in radiation therapy?

Plaster of Paris

What is the advantage of using thermoplastic for immobilization?

All of the above

Which of the following is NOT a disadvantage of using thermoplastic for immobilization?

It is rigid at room temperature

What is the purpose of a base plate in head and neck immobilization?

To attenuate radiation when the beam passes through Signup and view all the answers

Which immobilization device is commonly used for brain tumors?

3 clamp orfit Signup and view all the answers

What is the advantage of using a Vaclok for thorax and breast immobilization?

It is radio translucent Signup and view all the answers

Which immobilization device is specifically used for the treatment of breast cancer?

Breast board Signup and view all the answers

What is the purpose of a prone breast platform support in radiation therapy?

To support the involved breast Signup and view all the answers

Which of the following is NOT a common immobilization device for head and neck tumors?

Shoulder retractors Signup and view all the answers

Which of the following is NOT a common immobilization device for thorax and breast tumors?

Plaster of Paris Signup and view all the answers

Which of the following is the primary purpose of immobilization devices in radiotherapy treatment?

To limit patient motion and reduce major positioning errors Signup and view all the answers

What is one desirable characteristic of immobilization devices?

Transparency to allow visibility of beam light and optical distance indicator Signup and view all the answers

Why is patient positioning and immobilization important in radiotherapy treatment?

To ensure accurate delivery of the prescribed radiation dose Signup and view all the answers

What can happen if proper immobilization is not used during radiotherapy treatment?

Unwanted side effects Signup and view all the answers

What is the role of immobilization devices in radiotherapy treatment?

To limit patient motion and reduce major positioning errors Signup and view all the answers

What is a benefit of a well-constructed immobilization system?

Reduced time of daily patient setup Signup and view all the answers

What should immobilization devices be resistant to?

Bending and stretching Signup and view all the answers

In addition to radiotherapy treatment, where else can immobilization devices be used?

Simulator, CT/MRI, and other treatment planning imaging system Signup and view all the answers

What is the purpose of immobilization in radiotherapy treatment?

To reduce setup errors and patient movement Signup and view all the answers

What is the primary goal of an immobilization system in radiotherapy treatment?

To limit patient motion and reduce major positioning errors Signup and view all the answers

Which position is the belly board used for in radiotherapy treatment?

Prone Signup and view all the answers

What is the purpose of using the belly board in radiotherapy treatment?

To minimize the volume of small bowel within the treatment field Signup and view all the answers

Which immobilization system is commonly used for the pelvic region in radiotherapy treatment?

Thermoplastic masks Signup and view all the answers

What is the purpose of the vac lok in radiotherapy treatment?

To maintain the patient's outer contour during treatment Signup and view all the answers

What is the purpose of the knee rest and foot rest in radiotherapy treatment?

To avoid patient tilt (rotational error) Signup and view all the answers

What is the purpose of the oral prosthesis (mouth bite) in radiotherapy treatment?

To reproduce the opening of the mouth during treatment Signup and view all the answers

What is the purpose of the indexing bar in radiotherapy treatment?

To minimize setup errors Signup and view all the answers

What is the purpose of the shoulder retraction in radiotherapy treatment?

To reduce unwanted dose passes through the head of the humerus Signup and view all the answers

What is the purpose of the head rests and wedges in radiotherapy treatment?

To alter the curvature of the patient's cervical spine Signup and view all the answers

What is the purpose of the SBRT immobilization solution in radiotherapy treatment?

To provide a precise and stable set-up for thoracic and abdominal tumors Signup and view all the answers

Mastering Immobilization in Radiotherapy

Questions and Answers

Which of the following materials is commonly used for immobilization in radiation therapy?

What is the advantage of using thermoplastic for immobilization?

Which of the following is NOT a disadvantage of using thermoplastic for immobilization?

What is the purpose of a base plate in head and neck immobilization?

Which immobilization device is commonly used for brain tumors?

What is the advantage of using a Vaclok for thorax and breast immobilization?

Which immobilization device is specifically used for the treatment of breast cancer?

What is the purpose of a prone breast platform support in radiation therapy?

Which of the following is NOT a common immobilization device for head and neck tumors?

Which of the following is NOT a common immobilization device for thorax and breast tumors?

Which of the following is the primary purpose of immobilization devices in radiotherapy treatment?

What is one desirable characteristic of immobilization devices?

Why is patient positioning and immobilization important in radiotherapy treatment?

What can happen if proper immobilization is not used during radiotherapy treatment?

What is the role of immobilization devices in radiotherapy treatment?

What is a benefit of a well-constructed immobilization system?

What should immobilization devices be resistant to?

In addition to radiotherapy treatment, where else can immobilization devices be used?

What is the purpose of immobilization in radiotherapy treatment?

What is the primary goal of an immobilization system in radiotherapy treatment?

Which position is the belly board used for in radiotherapy treatment?

What is the purpose of using the belly board in radiotherapy treatment?

Which immobilization system is commonly used for the pelvic region in radiotherapy treatment?

What is the purpose of the vac lok in radiotherapy treatment?

What is the purpose of the knee rest and foot rest in radiotherapy treatment?

What is the purpose of the oral prosthesis (mouth bite) in radiotherapy treatment?

What is the purpose of the indexing bar in radiotherapy treatment?

What is the purpose of the shoulder retraction in radiotherapy treatment?

What is the purpose of the head rests and wedges in radiotherapy treatment?

What is the purpose of the SBRT immobilization solution in radiotherapy treatment?

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