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Sep 30
Extended Education

EDU 44 - ASTRO/KCA Joint Session: Stereotactic Radiotherapy and Renal Cell Cancer, Overcoming Radioresistance and the Resistance to Radiate

02:30pm - 04:00pm PT

MODERATOR(S)

Shankar Siva, PhD, MBBS, FRANZCR - Peter MacCallum Cancer Centre

session DESCRIPTION

This session brings together an international panel and multidisciplinary expertise to discuss the emerging role of SABR to the primary in renal cell carcinoma (RCC). The session will focus on patients who have localised disease treated for cure, and to a lesser extent the role of SABR to patients with oligometastatic RCC treated with "definitive intent." An overview on the historical concept of radioresistance in RCC and the rationale for SABR will be introduced. Building on this, relevant epidemiology, comparative effectiveness, and health services data will be reviewed. Indications for primary renal SABR will be discussed within the hierarchy of alternative ablative/extirpative techniques. An overview of technical considerations and response assessment will be provided, with a focus on different treatment platforms, immobilization techniques, motion management strategies, dose prescriptions and organ at risk constraints. These will include discussion of limitations and common practical barriers faced in the delivery of SABR to primary RCC. Challenging scenarios such as the presence of a single kidney, IVC thrombus, and large/anatomically challenging tumors will be discussed. Various clinical considerations for SABR within metastatic RCC will be explored from a medical oncology and radiation oncology perspective, including its application for oligometastatic targets and the use of SABR to the primary as an alternative to cytoreductive nephrectomy. Finally, the early clinical experience of the MR-Linac platform for primary RCC will be shared.

learning objectives

  1. Discuss the evidence to support SABR as a modality that overcomes perceived radioresistance of primary RCC.
  2. Review practical and technical considerations in the treatment of and surveillance following SABR for primary RCC.
  3. Discuss the role of novel systemic therapy, surgery and radiotherapy for oligometastatic RCC.

Credits

AMA PRA Category 1 Credits: 1.50

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