Voprosy onkologii
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Clinico-roentgeno-morphological investigation established a marked regression of tumor in as many as 86.1% out of 230 patients with stage IIB and III breast cancer who had undergone radiothermotherapy. Morphologically confirmed complete regression was observed in 12.6% of patients with lesions smaller than 3 cm in diameter at presentation. Treatment was followed by massive necrosis, dystrophic changes and inhibition of mitotic activity of tumor cells in patients with stage III cancer and those with stage IIB who had presented with tumors larger than 3 cm in diameter. However, in all these cases viable tumor cells were still observed at the periphery of tumor.
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Recent years have witnessed an improvement in cancer patient registration procedures (due to the introduction of the automated system for cancer information processing), cancer control establishment network and the level of oncological awareness of general practitioners. The need of taking fresh measures aimed at improving diagnosis of malignancies of the stomach, breast and cervix uteri which are the leading factors of morbidity and mortality in the Chuvash ASSR is discussed.
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The results of treatment of 164 out-patients with far advanced malignancies for chronic pain syndrome are discussed. It was found that subarachnoid, peridural and sacral blocks with alcohol, phenol glycerine and carbolic acid can relieve pain for a long time, improve general condition and save narcotic analgetics. The most effective proved to be peridural block by phenolglycerine which induced analgesia in 67% of cases and maintained it for 45 days.