Diapositive 1

Dose per MU formalisms:

Varian Eclipse v13.6 TPS

Overview of Eclipse TPS (29. Feb 2016)

Multi-source beam model that describes:

• primary photon source

• extra-focal photon source

• electron contamination source

• (hard) wedge scatter source

Dose engines

• Pencil Beam Convolution (PBC v10.0.28)

• Anisotropic Analytical Algorithm for photons (AAA v13.6.23)

• Acuros External Beam for photons (Acuros XB v13.6.23)

• Cone Dose Calculation for photons (CDC v13.6.23)

• Generalised Gaussian Pencil Beam for electrons (GGPB v10.0.28)

• Electron Monte Carlo Algoritm (eMC v13.6.23)

• Proton Convolution Superposition (PCS v13.6.23)

Dose Optimisation algorithms for IMRT/VMAT planning

• Photon Optimiser (PO v13.6.23)

• Dose Volume Optimiser (DVO v13.6.23)

• Plan Geometry Optimiser algorithm (PGO V13.6.23)

• Progressive Resolution Optimiser (PRO v13.6.23)

• Nonlinear Universal proton Optimiser v13.6.23

Fluence Delivery modelling algorithms for IMRT planning

• Algorithms that correct optimal fluence maps to deliverable fluence

maps based on constraints imposed by the MLC (Leaf Motion

Calculator, LMC)

Portal Dose Image Prediction (PDIP v13.6.23)

Intermediate dose calculation using: Multi-Resolution

Dose Calculation Algorithm (MRDC v13.6.23)

Depending on MLC motion (static or

dynamic), the total MU of a beam

are adjusted appropriately