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An indwelling intrauterine tube to facilitate intracavitary radiotherapy of carcinoma of the cervix.

This paper aims to show that the indwelling intrauterine tube (IIUT) is safe and can abolish repeated anaesthetics and large doses per fraction (Joslin et al, 1972) typical of high-dose-rate afterloading intracavitary treatment of carcinoma of the cervix. Highdose-rate schedules for Stage IB disease require as many as 12 (Liversage, 1969) to 17 (Dale, 1985) fractions for radiobiological equivalence with low-dose-rate schedules. The purpose of the IIUT is to act as a semipermanent channel for the applicator tube of the afterloading unit. We use the Gammamed II with a single high-activity 192Ir source (Busch et al, 1977), but the IIUT could probably be adapted for use with any brachytherapy machine or even manual afterloading systems.