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  • Title: [Eight-MHz RF-hyperthermia for advanced urological malignancies].
    Author: Hisazumi H, Nakajima K.
    Journal: Gan To Kagaku Ryoho; 1986 Apr; 13(4 Pt 2):1381-6. PubMed ID: 3729458.
    Abstract:
    Eight-MHz radiofrequency hyperthermia (H) using a Thermotron-RF Model 8, and its combination with irradiation (RH), anticancer drugs (CH) or anticancer drugs plus irradiation (CRH), were carried out for a total of 48 urological malignancies: 10 cases of renal cancer, 1 of renal pelvic cancer, 2 of ureteral cancer, 19 of bladder cancer, 5 of prostatic cancer, 9 of metastatic lesion of urological cancers and 2 of other urological cancers. All had failed in previous treatments, or had not undergone surgery because of their poor general condition. Four cases, including 2 of bladder cancer, 1 of prostatic cancer and 1 of metastatic lesion of bladder cancer, were treated with H. Twenty-five cases, including 3 renal cancer cases, were treated with RH. Seven of the 10 cases of renal cancer were treated with mitomycin C-microcapsule embolization prior to RH (CRH). Twelve of the 23 cases with urothelial cancer or its metastasis, including 1 of renal pelvic cancer, 10 of bladder cancer and 1 of metastatic lesion of bladder cancer, received combined treatment of THP-adriamycin, one of the derivatives of adriamycin, by i.v. and RF-heating (CH). Hyperthermia was given twice a week, totalling 10 sessions in 5 weeks. Intratumoral temperature was kept above 42.5 degrees C for 30 to 40 minutes during one-hour heating. Complete tumor disappearance was obtained in the 5 bladder cancer cases. Partial tumor regression, defined as a regression of 50% or more, was obtained in 11 cases. As side effects, mild skin burns and anorexia were observed in approximately 30 to 40% of cases. Seven obese cases, who had subcutaneous tissue 15 mm thick or more, developed fat tissue induration after treatment.
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