Thecal Sac Contouring as a Surrogate for the Cauda Equina and Intracanal Spinal Nerve Roots for Spine Stereotactic Body Radiation Therapy (SBRT): Contour Variability and Recommendations for Safe Practice

To present interobserver variability in thecal sac (TS) delineation based on contours generated by 8 radiation oncologists experienced in spine stereotactic body radiation therapy and to propose contouring recommendations to standardize practice.

Source: International Journal of Radiation Oncology * Biology * Physics - August 25, 2021 Category: Radiology Authors: Emma M. Dunne, Simon S. Lo, Mitchell C. Liu, Alanah Bergman, Robert Kosztyla, Eric L. Chang, Ung-Kyu Chang, Samuel T. Chao, Nicolas Dea, Salman Faruqi, Amol J. Ghia, Kristin J. Redmond, Scott G. Soltys, Arjun Sahgal Tags: Clinical Investigation Source Type: research