Abstract
Background and purpose: Permanent seed implantation was used in the management of primary and recurrent
prostate cancer in patients who had been treated previously by radiotherapy of the
true pelvis.
Material and methods: Between 1993 and 1998 a total of 21 patients received an I-125 implant after radiotherapy
for bladder cancer (two patients), anal cancer (one patient), seminoma (two patients)
and prostate cancer (16 patients). Two seminoma and 10 prostate cancer patients were
treated after earlier definitive external beam radiation therapy (EBRT), while the
bladder and anal cancer were initially treated with EBRT plus iridium implantation.
Six prostate cancer patients were initially treated by brachytherapy alone. The interval
between the two treatments was longer in patients with radiotherapy for other malignancies
than prostate cancer.
Results: After EBRT no serious late toxicity was observed. However, 1/6 patients who had
two seed implants experienced serious complications, resulting in a vesico-rectal
fistula.
Conclusions: The permanent seed implantation with I-125 is feasible after previous radiotherapy
in the prostate area. Also a second implant is possible, but may result in severe
complications, depending on the initial dose and interval between the two treatments.
Keywords
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Article info
Publication history
Accepted:
July 20,
2000
Received:
February 10,
2000
Identification
Copyright
© 2000 Elsevier Science Ireland Ltd. Published by Elsevier Inc. All rights reserved.