Journal of the Canadian Association of Radiologists · 1984
Radical external beam radiation therapy for prostate carcinoma.
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Garrett P G, Herman J G, Rawlings G A, Hawkins N V, Gospodarowicz M K, Keen C W, Rider W D
Аннотация
Between 1970 and 1978, 202 patients with carcinoma of the prostate were treated with radical external beam radiation with curative intent. Intracapsular disease was present in 38% and the remaining 62% had disease extending through the prostatic capsule. The overall survival is 72% at five years, and despite the large number of patients with advanced disease the five-year disease-free survival is 46%. Significant prognostic factors include: i) tumor, grade, ii) extent of primary disease, iii) procedure done to determine diagnosis (TURP vs. needle biopsy) and iv) tumor dose. There was a significant improvement in survival at a minimum dose of 5000 Gy. Prostate carcinoma is radiosensitive and a dose-response relationship in treatment has been demonstrated by this review.