ESTRO 2023 - Abstract Book

S699

Monday 15 May 2023

ESTRO 2023

AI-assisted contouring as compared to manual contouring significantly reduced IOV across all organs-at-risk [Figure 1]. Below is an overview of the differences in medians for Dice and HD95 with manual contouring as reference value. Absolute (relative) differences. Control as reference Dice (%) HD95 [mm] (%) BrainStem 0.07 (8.0) -0.82 (-29.2) SpinalCord 0.11 (13.5) -0.93 (-39.7) Parotid 0.10 (11.5) -1.47 (-42.5) Submandibular 0.06 (6.2) -0.60 (-26.7) Thyroid 0.08 (9.6) -0.53 (-23.9) OralCavity 0.09 (10.2) -5.60 (-59.2) OpticNerve 0.16 (21.7) -1.41 (-47.1) Mandible 0.06 (7.0) -0.66 (-35.9) Figure 1: