Simulation Principles (RTT)

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  • Author
    Marissa Gayle

  • Course level
    Basic
  • Course language
    English
  • Video time
    60 min
  • CPD Credits
    0


Table of Contents
Description
Attachments
Meet the Author

01

Simulation Basics & Positioning

Introduction and initial poll
02:08
Objectives and Importance of Simulation
02:57
Patient Positioning and Immobilization
01:41
Conventional vs. CT Simulation
02:47
Skin Marking and Isocenter Localization
03:48
Pre-Simulation Requirements
02:42
Importance of Documentation and Communication
12:02
Quiz
2 questions

02

CT Simulation Process & Protocols

CT Simulation Process
27:03
Protocols in CT Simulation
03:08
Immobilization Devices. Adapting to Specific Patient Needs
10:21
Key points and takeaway. Final Discussions
01:32
Question about Accounting for IVPO Contrast in Planning
05:38
Quiz
2 questions

1. Overview


This course provides a comprehensive and practical guide to the principles of simulation in radiation therapy, with a focus on high-impact CT simulation techniques. You will learn the critical steps for achieving optimal patient positioning and meticulous documentation necessary to ensure treatment accuracy and reproducibility.


2. Key Learning Objectives


After this course, you will be able to:

  • Determine the main factors for patient positioning, including ensuring beam access, reproducibility, and collision clearance.

  • Select appropriate immobilization devices, such as an Alpha cradle, V-lock, or Aquaplast mask, based on the specific treatment site.

  • Execute the CT simulation process, including marking the isocenter using two-point (biangulation) or three-point (triangulation) skin marks and CT reference points (BBs).

  • Apply proper patient prep and education techniques, addressing specific requirements like full/empty bladder, bowel prep, and managing clothing/jewelry in the treatment field.

  • Establish high-quality documentation, setup notes, and photo records to ensure accurate, consistent, and reproducible patient setup by all treating therapists.

  • Utilize anatomical site-specific CT protocols to streamline the scanning process, enhance image quality, and manage patient dose.


3. Why You Should Attend (The Benefits)


  • Master the foundational best practices for patient simulation and setup, which are essential for safe, effective, and high-quality radiation oncology treatment delivery.

  • Enhance clinical reproducibility and standardization across your department, ensuring that every patient receives the most accurate treatment possible.

  • Gain clarity on the differences between forward planning (Conventional Sim) and inverse planning (CT Sim) for various treatment modalities (2D, 3D, IMRT).

  • Reduce treatment delays and setup time by understanding how to create immobilization devices and setups that avoid machine collisions.


4. Topics Discussed


  • The three keys to a successful setup: patient positioning, immobilization, and documentation.

  • Critical positioning factors: beam access to the target site and collision clearance.

  • Review of immobilization devices by treatment site (e.g., head and neck, thorax, pelvis).

  • Comparison of Conventional Simulator vs. CT Simulator capabilities and applications.

  • Isocenter marking techniques: biangulation, triangulation, and tattoo alternatives.

  • Pre-simulation requirements: consent, pathology reports, and physician checklists.

  • Use of IV and oral contrast media to visualize soft tissue and critical structures.

  • Steps of the CT simulation: scout image acquisition, range selection, and artifact identification.

  • Best practices for creating clear, concise, and complete setup notes and photo documentation.

  • Advantages and implementation of pre-set CT simulation protocols for efficiency and image quality.


5. Keywords


#Simulation, #Reproducibility, #CT-Sim, #Isocenter, #Immobilization, #Positioning, #Protocol, #Documentation



Attachments

- Course Attachments Folder: link