RESUMO
Objective To access the clinical value of interstitial brachytherpay in patients with advanced carcinoma. Methods 6 patients(1 case of hepatic cancer,3 cases of prostate cancer,2 cases of local recurrence of rectal cancer)received interstitial high dose rate(Ir-192)brachytherpay with afterloading technique(6.0 Gy/day in 4 days) Tubes were inserted with laparoscopic guidance to minimize the risk of tube misplacement. Results The size of the tumors was reduced and the local control rate was encouraging(6/6). one patient with local recurrence of rectal cancer aquired CR,the ofher five cases acquired PR. Conclusions Interstitial tube insertion with laparoscopic guidance to treat advanced carcinoma in afterloading technique is a simple,minimally invasive,safe and economical method,especially fit for elder patients who intolerate or disagree to operation.