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A manual afterloading technique for the treatment of patients with bronchial carcinoma using iridium-192 wire.

The difficulties of effective palliative treatment of patients with bronchial and oesophageal tumours have long been under consideration. For a brachytherapy technique the generally accepted way to treat such patients is using a remote afterloading machine such as the Mico-Selectron and some early results have already been reported (Burt et al, 1989). In the absence of funding for such a machine we have developed a technique for manually inserting a single iridium wire, mounted in a dual-catheter system, through a mini-tracheotomy tube. This treatment has been facilitated by the recent availability of high-specific-activity iridium wire (up to 370 MBq/cm).