A Comparison of Clinical Results Following High Dose-Rate Intracavitary Afterloading Irradiation with Co60(Cathetron) and Conventional Radium Therapy for St. I-II Cervical Carcinoma

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Abstract
From 1969 to 1976, 101 patients with St. Ia-IIb cervical carcinoma were treated with the Cathetron (C) and 84 patients with radium (R). Surgery was carried out on 56.4% of the patients in group C and 60.7% in group R two weeks after the intracavitary radiotherapy and 51.5% of the patients in group C and 45.2% in group R received external irradiation with or without an operation. There was no statistical fifference in the survival between the two treatment groups, the 5-year crude survival rate being 81.6% for group C and 78.6% for group R and the 3-year crude survival rates 85.1% and 83.3% respectively. Local recurrence of tumour was more frequent in group R (10.7%) than in group C (3.0%) (p=0.03). There were more early complications during or after the Cathetron (10.9%) than radium treatment (3.6%), without any statistical significance, however. No differences were found in operative difficulties or early postoperative morbidity between the two groups during or after radical operations after intracavitary radiotherapy.

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