A method for integrating computed tomography into radiotherapy planning and treatment

Area of Science:

• Medical Physics
• Radiation Oncology
• Radiological Imaging

Background:

• Accurate patient positioning is crucial for effective radiotherapy.
• Traditional radiotherapy planning involves separate simulation and treatment sessions.
• Integrating imaging and treatment delivery can improve workflow and precision.

Purpose of the Study:

• To present a novel technique for precise localization and radiotherapy treatment planning.
• To streamline the process from computed tomography (CT) examination to radiotherapy delivery.
• To enhance accuracy in targeting intrathoracic, abdominal, and pelvic tumors.

Main Methods:

• A single-session approach combining CT scanning and radiotherapy planning.
• Utilizing compatible laser-beam positioning systems between CT and treatment rooms.
• Employing skin markers visible on CT scans for accurate patient alignment and distance measurement.

Main Results:

• The technique enables direct application of CT data to treatment planning.
• Accurate reproduction of patient position is achieved through laser alignment.
• Precise localization of target volumes and accurate directing of treatment fields are ensured.

Conclusions:

• This integrated technique offers accurate localization and planning for various tumors.
• It eliminates the need for separate treatment simulation, improving efficiency.
• The method ensures precise patient positioning and accurate radiation delivery.