Publications by authors named "R P Heijbroek"

Purpose: Comparing the outcome of surgery and brachytherapy-based radiotherapy in patients with solitary T1G3/T2 bladder tumour in, a retrospective case-control study, because efforts for a randomised clinical trial comparing these modalities have failed.

Materials And Methods: Cystectomy group. Patients were selected using the pathological registration system (PALGA).

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Purpose: To analyze and report the treatment results of brachytherapy for solitary bladder cancer in the Arnhem Radiotherapy Institute.

Methods And Materials: Between January 1983 and October 1998, 63 patients with a solitary bladder tumor were treated with a combination of transurethral resection, external beam radiotherapy (EBRT), and interstitial radiotherapy. The indications for bladder-conserving treatment were tumor < or =5 cm, T1G3 (n = 14), T2G2 (n = 8), T2G3 (n = 37), and T3a (n = 4).

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Objective: To evaluate whether it is worthwhile to implement routine random biopsies from the normal-looking urothelium in the management of patients with primary superficial bladder cancer.

Patients And Methods: Two hypothetical management policies were compared, one of which incorporated random biopsies as an additional prognostic test. In the 'no-biopsy policy', all patients were treated with transurethral resection (TUR) alone, except for patients with a pT1G3 tumour who were treated with adjuvant prophylactic intravesical therapy.

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Random urothelium biopsies were taken at initial endoscopic surgery from 1001 patients with primary superficial bladder cancer. The clinical course of all the patients was assessed prospectively. Actuarial risks of recurrence and disease progression were determined for prognostic characteristics and comparisons were made using log-rank tests.

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