
5. Patient Evaluation and Simulation
- Importance of Imaging in Treatment Planning
- Simulation Techniques
- Planning Techniques
- Dose Constraints and Organ-at-Risk (OAR) Considerations
- Describe different imaging modalities and their application to radiation planning.
- Explain the purpose of different immobilization devices.
- Describe the difference between external and internal radiation.
- Distinguish the management of implanted devices during radiation therapy.

Rachael Guenzel, APRN, CNP, DNP (Moderator)
Mayo Clinic
Rachael Guenzel is a nurse practitioner in the Department of Radiation Oncology who specializes in head and neck and hematological malignancies at the Mayo Clinic in Rochester, MN. She is also a Mayo Clinic assistant professor in Radiation Oncology. Ms. Guenzel received her Bachelor of Science Nursing Education through College of Saint Benedict/St. John’s University in May 2009. She achieved her Family Nurse Practitioner degree through Viterbo University In May 2017. Her clinical interests include cancer survivorship and palliative care. She also currently staffs a Head and Neck Cancer Survivorship Clinic staffed by advanced practice providers.
She enjoys precepting students and new employees and previously served as adjunct faculty for Nurse Practitioner students through Viterbo University. In partnership with her colleagues in Radiation Oncology and Medical Oncology, she serves as course director for a program called “Global Bridges Oncology Nursing Seminar” to educate nurses around Africa about oncologic care to improve cancer and patient outcomes. She also enjoys research and has led a quality improvement project to improve PM&R referral rates for head and neck cancer patients to improve patient outcomes.
Rachael Guenzel has no relevant financial relationships to disclose.
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