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Iodine-125 prostate implants for recurrent carcinomas after external beam irradiation: preliminary results

Conference · · Cancer; (United States)
OSTI ID:5220244
Fourteen patients with locally recurrent prostate carcinomas after external beam irradiation received /sup 125/I seed implants at Stanford between 1975 and 1979. Clinical local control was obtained in 11 of the 14 patients for follow-up periods of 6 to 36 months. Eight remain without evidence of disease, but 2 of the 3 patients whose pelvic lymph nodes were involved by carcinoma have developed distant metastases. Complications, consisting of either cystoproctitis, urinary incontinence, or the development of a vesicorectal fistula occurred in 4 of the 14 patients. These complications were noted only in those patients who had implantation of high intensity /sup 125/I seeds (>0.50 mCi) into large prostatic volumes (greater than or equal to 50cc). No complications occurred in patients who received lower intensity /sup 125/I seed implants in smaller prostatic volumes. We conclude that /sup 125/I seed implants may be used in a second attempt to obtain local control after a local relapse following external beam irradiation, if the use of high intensity /sup 125/I sources and/or the implantation of large prostate volumes are avoided.
Research Organization:
Stanford Univ., CA
OSTI ID:
5220244
Conference Information:
Journal Name: Cancer; (United States) Journal Volume: 45:11
Country of Publication:
United States
Language:
English

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