ENS 53168: Difference between revisions
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| event date = 01/05/2018 CST | | event date = 01/05/2018 CST | ||
| last update date = 01/18/2018 | | last update date = 01/18/2018 | ||
| title = Agreement State Report - Delivered Dosage Different | | title = Agreement State Report - Delivered Dosage Different from Prescribed | ||
| event text = The following was received from the State of Wisconsin via email: | | event text = The following was received from the State of Wisconsin via email: | ||
An email the department received on January 5, 2018 was believed to be an update to the previous notification [EN #53148]. Upon further review by the department, it was discovered that the email pertained to a second medical event identified by the licensee on January 5, 2018. This was a medical event as described in DHS 157.72(1)(a)1.a. The prescribed dose was 145 Gy; the dose delivered was 70 Gy. The licensee uses D90 (dose delivered to 90% of the clinical target volume) < 80% for determining medical events. Using the licensee's dose based criteria; the dose received by the prostate was 48% of the intended dose. The licensee has an additional criterion that the volume of the CTV to which 100% of the prescription dose delivered must be above 80%. The licensee determined only 62% of the volume received the required dose. | An email the department received on January 5, 2018 was believed to be an update to the previous notification [EN #53148]. Upon further review by the department, it was discovered that the email pertained to a second medical event identified by the licensee on January 5, 2018. This was a medical event as described in DHS 157.72(1)(a)1.a. The prescribed dose was 145 Gy; the dose delivered was 70 Gy. The licensee uses D90 (dose delivered to 90% of the clinical target volume) < 80% for determining medical events. Using the licensee's dose based criteria; the dose received by the prostate was 48% of the intended dose. The licensee has an additional criterion that the volume of the CTV to which 100% of the prescription dose delivered must be above 80%. The licensee determined only 62% of the volume received the required dose. | ||
Latest revision as of 20:41, 1 March 2018
| Where | |
|---|---|
| Aspirus-Wausau Hospital Wausau, Wisconsin (NRC Region 3) | |
| License number: | 073-1342-01 |
| Organization: | Wisconsin Radiation Protection |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+279.23 h11.635 days <br />1.662 weeks <br />0.382 months <br />) | |
| Opened: | Kyle Walton 21:14 Jan 16, 2018 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Jan 18, 2018 |
| 53168 - NRC Website | |