Electrochemical therapy

ECT

has been used to treat 122 cases of various kinds of tumour

a-mong them

81 cases were malignant tumours (32 cases facial

18 cases subaural

16 cases labial

15 cases tongue)

and the other 41 cases were benign tumours (cavermous 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 epitheIial cancers and 18 cases of adenocarcinoma. Cavermous hemangiorna is benign tumour and congenital. Special designed and n1ade platinum needles were inserted into the tumours and the needles were connected to an instrument protucing a direct current for treatrnent.Voltage used was usually 8 volts with current 60-80 mA. The cluantity electricity applied was 100 coulombs per 1 cm in diameter of the tumour. The effectiveness of treating 81 cases malignant tumours was: CR 42 cases (51. 9% )

PR 31 cases (38. 2% )

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 35 cases (85. 4 % ) and PR 4 cases (9. 8 ok ). One

three ancl five year survival rates of malignant tumour patients were 95 %

61. 7 % and 33. 3 %

respectively. While all the 41 patients with heman-gioma survived over five years aftfer treatment.