title: A Monte Carlo study of intersource effects in dome-type applicators loaded with LDR Cs-137 sources.
abstract: In this study, the dose rate distributions produced by low dose rate Cs-137 sources loaded in afterloadable dome applicators are studied using the Monte Carlo method. Dose differences between Monte Carlo results and calculations done using the superposition principle are within 1-3% in front of the applicator and between 3 and 10% near and along the longitudinal source axis. Consequently, the real doses to lateral vaginal wall, rectum and bladder are very close to the doses estimated applying the superposition principle, while the dose to the vaginal cuff has been overestimated by up to 10%.
authors.affiliation: ITIC, Hospital Clínica Benidorm, Benidorm, Spain.
authors.forename: José
authors.initials: J
authors.lastname: Pérez-Calatayud
authors.forename: Domingo
authors.initials: D
authors.lastname: Granero
authors.forename: Facundo
authors.initials: F
authors.lastname: Ballester
authors.forename: Françoise
authors.initials: F
authors.lastname: Lliso
mesh_terms: D001918:Brachytherapy / Q000295:instrumentation / Q000379:methods*; D004307:Dose-Response Relationship, Radiation; D004867:Equipment Design; D004869:Equipment Safety; D006801:Humans; D020714:Maximum Tolerated Dose; D009010:Monte Carlo Method; D011879:Radiotherapy Dosage; D011880:Radiotherapy Planning, Computer-Assisted / Q000295:instrumentation* / Q000379:methods; D012680:Sensitivity and Specificity