A_LAD
Category:
Artery
Description:
Anterior interventricular branch of LCA
(left anterior descending artery)
Model: LAD_Thyroid
CT
Model Information
Metrics
Average Volume (cc)
2.23
Average
Dice Coefficient
0.5
Average
0.5 (Median)
95th Percentile Hausdorff Distance (mm)
38.09
Average
9.65 (Median)
Median Distance to Conformity (mm)
5.52
Average
4.93 (Median)
Undercontouring MDC (mm)
2.75
Average
2.56 (Median)
Overcontouring MDC (mm)
2.76
Average
2.54 (Median)
Delineation Information
Guidelines
The guideline used is Duane F, Azr MC, Bartlett F, Cutter DJ, Darby SC, Jagsi R, et al. A cardiac contouring atlas for radiotherapy. Radiother Oncol 2017;122:416–22. https://doi.org/10.1016/j.radonc.2017.01.008.
Method
Manually drawn using a 5 mm diameter brush
Structure Boundaries
Cranial Boundary
From the level of the origin of the left anterior descending artery from the ascending aorta.
Caudal Boundary
Apex of the heart
Medial Boundary
Along the interventricular groove inferiorly and the anterioir interventricular groove superiorly
Lateral Boundary
Along the interventricular groove inferiorly and the anterioir interventricular groove superiorly
Ventral Boundary
Vessel visible on the scans
Dorsal Boundary
Myocardium