Abstract
15 patients with invasive squamous-cell carcinoma of the uterine cervix were treated with crude human leucocyte interferon (HLI) for 3 weeks before surgical removal of the tumour. 9 patients were given HLI topically and intramuscularly and 6 topically only. In 3 patients the surgical material was free from tumour cells, in 3 it showed a lower grade of carcinoma, and in 9 the findings remained unchanged. In only 1 patient the tumour metastasised to the lymph nodes. Typically a tumour regressed to about a third of its original size. There was a sharp distinction between the tumour mass and the healthy tissue manifested in the formation of a fibrous wall. On the basis of the scores--i.e., stromal response, relation between tumour-cell and macrophage activity and reactivity, and reactivity of the original lymph nodes--the overall appraisal of the response caused by HLI therapy was as follows: in 6 patients excellent, in 5 very good, in 1 moderate, in 2 poor, and in 1 no response. It is suggested that HLI is suitable for administration both before and after surgery in patients with cervical cancer of grade I or II. If stroma cannot be induced to respond within 21 days of treatment, HLI application should be discontinued.
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