The Journal of JASTRO
Online ISSN : 1881-9885
Print ISSN : 1040-9564
ISSN-L : 1881-9885
TECHNICAL NOTE
IODIN 125 SEED LOST AFTER PROSTATE BRACHYTHERAPY
Kazuhiro EGAMIYasunori SAITOFumitaka ITOHidekazu HATTORIHidetoshi KOBAYASHI
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JOURNALS FREE ACCESS

2009 Volume 21 Issue 3 Pages 165-168

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Abstract

Purpose: Environmental pollution induced by lost radioactive seeds is an important social problem. The purpose of this paper is to evaluate the time and place where lost seeds were found and to develop a method to prevent the loss of seeds from the time of insertion to the discharge of the patient from the hospital. Materials and Method: A total of 121 cases (7718 seeds) who received permanent insertion treatment from July 2006 to Dec 2007 were evaluated. During this period, the time and place of lost seeds was estimated from the place where the seeds were found. Results: A total of 43 seeds were found before discharge for a rate of 0.56% (43/7718). Four seeds were found in the operating room. Two seeds were found in the in-patient room before the balloon catheter was removed. Five seeds were removed from the bladder by surgery using cystoscopy. In addition, 32 seeds were found in the room when surveying the room for patient discharge. Five seeds were brought from the patient’s house after discharge. Conclusion: To prevent the loss of seeds from the patients’ room, which is the best way prevent environmental pollution, careful monitoring and careful surveys of the room are needed.

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© 2009 Japanese Society for Therapeutic Radiology and Oncology
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