AROI-ESTRO GYN Teaching Course

Manchester system – 3 rules

• Rule 1: Define treatment in terms of dose to a point representative of the target i.e., uterus, more or less reproducible from patient to patient.

• Rule 2 : Design applicators and their loading to enable the same dose-rate to this point ‘A’ regardless of which combination of applicators is used.

• Rule 3 :Define a set of rules dictating the relationship, position, and activity of radium sources in the uterine and vaginal applicators to achieve the consistent dose rates