How do you ensure accurate patient positioning and immobilization during radiation therapy treatments?

Sample interview questions: How do you ensure accurate patient positioning and immobilization during radiation therapy treatments?

Sample answer:

Accurate Patient Positioning and Immobilization in Radiation Therapy

Patient Alignment Verification:

  • Image-Guided Radiation Therapy (IGRT): Uses real-time imaging to verify patient alignment and adjust positioning as needed.
  • Cone-beam computed tomography (CBCT): Provides 3D images of the patient’s anatomy to ensure precise setup.

Patient Immobilization Devices:

  • Body masks: Custom-molded devices that conform to the patient’s body and restrict movement.
  • Head immobilization frames: Fix the head in place to minimize motion during treatments.
  • Vacuum cushions: Provide additional support and reduce motion for certain body parts.

Patient Positioning Techniques:

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