ENS 56942

v t e 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.

ENS 56942 +/-
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
v • d • e

v t e Emergency Notification System
Rush University Medical Center with Agreement State
WEEKMONTHYEAR2024-01-31T06:00:00 [Table view]
[ENS list for Rush University Medical Center]

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