ENS 45973: Difference between revisions
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| event date = 01/12/2010 EDT | | event date = 01/12/2010 EDT | ||
| last update date = 06/02/2010 | | last update date = 06/02/2010 | ||
| title = Dose Less | | title = Dose Less than Prescribed Dose in Two Separate Brachytherapy Treatements | ||
| event text = [Patient #1], with localized prostate cancer, had an ultrasound directed transperineal implant with 60 I-125 seeds on 1/12/2010. The total activity implanted was 20.4 mCi. Final dosimetry was based on a CT scan performed on 2/16/2010. This revealed a D90 of 8400 cGy which was lower than the prescribed dose of 14500 cGy. The patient and referring physician were notified and the patient then received supplemental external beam irradiation of the prostate with 3000 cGy delivered between 3/11/2010 and 4/08/2010. The patient is currently doing well with minimal treatment related symptoms. | | event text = [Patient #1], with localized prostate cancer, had an ultrasound directed transperineal implant with 60 I-125 seeds on 1/12/2010. The total activity implanted was 20.4 mCi. Final dosimetry was based on a CT scan performed on 2/16/2010. This revealed a D90 of 8400 cGy which was lower than the prescribed dose of 14500 cGy. The patient and referring physician were notified and the patient then received supplemental external beam irradiation of the prostate with 3000 cGy delivered between 3/11/2010 and 4/08/2010. The patient is currently doing well with minimal treatment related symptoms. | ||
[Patient #2], with localized prostate cancer, had an ultrasound directed transperineal implant with 66 Cs-131 seeds on 1/12/2010. The total activity implanted was 186 mCi. Final dosimetry was based on a CT scan performed on 2/16/2010. This revealed a D90 of 6500 cGy which was lower than the prescribed dose of 11000 cGy. All seeds were accounted for in the final review. However, careful review of the isodose lines revealed adequate coverage of the involved areas of the prostate. The patient and referring physician were notified and the prescribing physician indicated that additional treatment was not necessary. | [Patient #2], with localized prostate cancer, had an ultrasound directed transperineal implant with 66 Cs-131 seeds on 1/12/2010. The total activity implanted was 186 mCi. Final dosimetry was based on a CT scan performed on 2/16/2010. This revealed a D90 of 6500 cGy which was lower than the prescribed dose of 11000 cGy. All seeds were accounted for in the final review. However, careful review of the isodose lines revealed adequate coverage of the involved areas of the prostate. The patient and referring physician were notified and the prescribing physician indicated that additional treatment was not necessary. | ||
Latest revision as of 21:09, 1 March 2018
| Where | |
|---|---|
| Bristol Hospital Bristol, Connecticut (NRC Region 1) | |
| License number: | 06-02057-01 |
| Organization: | Bristol Hospital |
| Reporting | |
| 10 CFR 35.3045(a)(1) | |
| Time - Person (Reporting Time:+3396.77 h141.532 days <br />20.219 weeks <br />4.653 months <br />) | |
| Opened: | Bernard Percarpio 15:46 Jun 2, 2010 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Jun 2, 2010 |
| 45973 - NRC Website | |