Final answer:
The step time for a dual head system in high dose radiation therapy is the interval each head stays at a specific position during treatment. It is vital for the accurate delivery of radiation to the tumor, with considerations for the type of cancer, dose, and individualized treatment plan.
Step-by-step explanation:
Step time for a dual head system in high dose therapy refers to the duration each head spends in a particular position during the administration of radiation treatment. High dose rate (HDR) brachytherapy, which can involve a dual head system, is a type of cancer treatment where a high dose of radiation is delivered in a short amount of time. Step time is crucial for ensuring precise and effective radiation delivery to the tumor while minimizing exposure to surrounding healthy tissues.
The exact step time can vary based on multiple factors, including the type and size of the tumor, the prescribed dose, and the specific treatment plan designed by the medical team. Advanced treatment planning software is commonly used to determine the optimal step time and radiation dose distribution. During the procedure, radiation oncologists monitor the treatment to ensure the radiation is delivered accurately according to the plan, adjusting step times as necessary for patient safety and treatment efficacy.