Dosimetric validation of a commercial Monte Carlo based IMRT planning system.

Purpose: Recently a commercial Monte Carlo based IMRT planning system (Monaco version 1.0.0) was released.

Recommendations on detectors and quality control procedures for brachytherapy beta sources.

Background And Purpose: It is estimated that one third of the institutes applying clinical beta sources does not perform independent dosimetry. The Netherlands commission on radiation dosimetry (NCS) recently published recommended quality control procedures and detectors for the dosimetry of beta sources. The main issues of NCS Report 14 are summarized here.