CLINICAL EFFECTIVENESS OF ELECTROCHEMICAL THERAPY IN TREATING MAXILLOFACIAL TUMOURS XIN Yu-Ling

China-Japan Friendship Hospital, Beijing 100029, China

ABSTRACT Electrochemical therapy, ECT, has been used to treat 122 cases of various kinds of tumour, among them, 8lcases were malignant tumours (32 cases facial, 18 cases subaural, 16 cases labial), and the other 41 cases were benign tumours (cavernous hemangioma at facial region 23 cases and in oral cavity 18 cases). Pathological examination of malignant tumours revealed that there were 63 cases of squamous epithelial cancers and 18 cases of adenocarcinoma. Cavernous hemangioma is benign tumour and congenital. Special designed and made platinum needles were inserted into the tumours and the needles were connected to a direct current producing instrument turning on the electricity for treatment. Voltage used was usually 8 volts with current 60-80 mA. The quantity electricity applied was 100 coulombs per 1 cm in diameter of the tumour. The effectiveness of treating malignant tumours was:

CR42 cases (51.8 %)‚ PR31 cases (38.3 %)‚ NC 5 cases (6.2%) and PD 3 cases (3.7 %). CR+ PR was 73 cases (90.1 %). The effectiveness of treating 41 cases of benign hemangioma was: CR 38cases (92.7

%) and PR 3 cases (7.3 %). One, three and five year survival rates of malignant tumour patients were

95%, 65.4 % and 37 %‚ respectively. While all the 41 patients with hemangioma survived over five years after treatment. Key words: electrochemical therapy tumours, maxillofacial

Experimental study and clinical application of electrochemical therapy (ECT) have been conducted in China since 1987 based on the theory of Biologically Closed Electric Circuits (BCEC) put forth by Professor B. Nordenström. Experimental results showed that tumour tissue could be destroyed by inserting platinum needles into tumour and passing direct electric current between needles. In past ten years, over seven thousands malignant tumour patients and over three hundreds benign tumour patients have been treated by EAT with satisfactory results. This method is simple, easy to be managed, save, effective, with minimal trauma and quick recovery. lt is applicable to those patients with late stage cancers and not operable, not suitable for radio- or chemotherapy. The results of treating 122 cases of maxillofacial tumours with ECT is reported.

CLINICAL DATA The 122 cases were treated in 1988 to 1992. There were 78 male cases and 44 female cases. Age range was 4 months old to 93 years old with as average age of 47.5 years. The average age for benign tumours was 14.5 years and that for malignant tumours was 57.8 years. (Table 1)

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