ENS Event | |
|---|---|
06:00 Jan 31, 2024 | |
| Title | Medical Underdose |
| Event Description | The following is a summary of information received by email from the Illinois Office of Nuclear Safety:
On January 31, 2024, a medical administration of Y-90 microspheres at Rush University Medical Center failed to deliver the intended dose. A patient had been prescribed 34.99 mCi (500 Gy) of yttrium-90 (Y-90) Theraspheres intended for a liver treatment. The post-administration survey indicated a delivered dose of only 23.05 mCi (330 Gy), which was a 34 percent underdose. The patient and physician were notified the day of the treatment. There was no adverse impact on the patient and the patient will not need to be retreated. The administering physician reported significant resistance in the initial and subsequent flushes. IL NMED Item Number: IL240003 A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient. |
| Where | |
|---|---|
| Rush University Medical Center Chicago, Illinois (NRC Region 3) | |
| License number: | IL-01766-01 |
| Organization: | Illinois Emergency Mgmt. Agency |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+33.58 h1.399 days <br />0.2 weeks <br />0.046 months <br />) | |
| Opened: | Whitney Cox 15:35 Feb 1, 2024 |
| NRC Officer: | Natalie Starfish |
| Last Updated: | Feb 1, 2024 |
| 56942 - NRC Website | |
Rush University Medical Center with Agreement State | |
WEEKMONTHYEARENS 578252025-07-22T05:00:00022 July 2025 05:00:00
[Table view]Agreement State Medical Event ENS 575212025-01-29T06:00:00029 January 2025 06:00:00 Agreement State Medical Event ENS 573852024-10-14T05:00:00014 October 2024 05:00:00 Agreement State Medical Underdose ENS 569422024-01-31T06:00:00031 January 2024 06:00:00 Agreement State Medical Underdose ENS 567662023-09-28T05:00:00028 September 2023 05:00:00 Agreement State Underdose to Patient ENS 535602018-08-23T05:00:00023 August 2018 05:00:00 Agreement State Illinois Agreement State Report - Medical Event ENS 465432010-11-23T06:00:00023 November 2010 06:00:00 Agreement State Agreement State Report Involving a Medical Event 2025-07-22T05:00:00 | |