The Monte Carlo (MC) method has been shown through many research studies to calculate
accurate dose distributions for clinical radiotherapy, particularly in heterogeneous patient …

During the last few decades, accuracy in photon and electron radiotherapy has increased
substantially. This is partly due to enhanced linear accelerator technology, providing more …

Task Group 101 of the AAPM has prepared this report for medical physicists, clinicians, and
therapists in order to outline the best practice guidelines for the external‐beam radiation …

Small‐field dosimetry used in advance treatment technologies poses challenges due to loss
of lateral charged particle equilibrium (LCPE), occlusion of the primary photon source, and …

The analytical anisotropic algorithm (AAA) was implemented in the Eclipse (Varian Medical
Systems) treatment planning system to replace the single pencil beam (SPB) algorithm for …

The accuracy of dose computation within the lungs depends strongly on the performance of
the calculation algorithm in regions of electronic disequilibrium that arise near tissue …

Photon dose calculation algorithms (such as the pencil beam and collapsed cone, CC)
model the attenuation of a primary photon beam in media other than water, by using …

Algorithms such as convolution superposition, Batho, and equivalent pathlength which were
originally developed and validated for conventional treatments under conditions of …

The Anisotropic Analytical Algorithm (AAA) is a new pencil beam convolution/superposition
algorithm proposed by Varian for photon dose calculations. The configuration of AAA …

For the small radiation field sizes used in stereotactic radiosurgery, lateral electronic
disequilibrium and steep dose gradients exist in a large portion of these fields, requiring the …