Open AccessDosimetric Comparison of treatment plans computed with finite size pencil beam and monte carlo algorithms using the incise™ multileaf collimator-equipped cyberknife® system
Author(s) -
Kalpani N. Udeni Galpayage Dona,
Charles Shang,
Th. Leventouri
Publication year - 2020
Publication title -
journal of medical physics/journal of medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.292
H-Index - 24
eISSN - 1998-3913
pISSN - 0971-6203
DOI - 10.4103/jmp.jmp_64_19
Subject(s) - multileaf collimator , sabr volatility model , cyberknife , nuclear medicine , radiation treatment planning , collimator , monte carlo method , radiosurgery , algorithm , computer science , radiation therapy , physics , medicine , mathematics , radiology , optics , volatility (finance) , stochastic volatility , statistics , econometrics
InCise™ multileaf collimator (MLC) was introduced for CyberKnife ® (CK) Robotic Radiosurgery System (CK-MLC) in 2015, and finite size pencil beam (FSPB) was the only available dose computation algorithm for treatment plans of CK-MLC system. The more advanced Monte Carlo (MC) dose calculation algorithm of lnCise™ was initially released in 2017 for the CK Precision™ treatment planning system (TPS) (v1.1) with new graphic processing unit (GPU) platform. GPU based TPS of the CK offers more accurate, faster treatment planning time and intuitive user interface with smart three-dimensional editing tools and fully automated autosegmentation tools. The MC algorithm used in CK TPS simulates the energy deposited by each individual photon and secondary particles to calculate more accurate dose. In the present study, the dose disparities between MC and FSPB algorithms for selected Stereotactic Ablative Radiation Therapy (SABR) CK-MLC treatment plans are quantified.