ENS 57668

v t e ENS Event
07:00 Apr 14, 2025
Title	Medical Event
Event Description	The following report was received by the California Radiation Control Program via email: On April 15, 2025, the radiation safety officer at Cedars Sinai Medical Center contacted Los Angeles County Public Health Radiation Management (part of the California Radiation Control Program), first by telephone at 0955 PDT and then by email at 1055 PDT, to report a medical event that occurred at Cedars Sinai Medical Center. During the administration of Y-90 TheraSpheres to a patient, the Y-90 TheraSpheres became obstructed within the intravenous tubing such that the authorized user was unable to administer the full dosage. The activity in the syringe was approximately 35 mCi, but only 12.14 mCi was delivered to the target organ. This was 35 percent of the prescribed activity. Additionally, the prescribed dose to the liver (the target organ) was 78.8 gray [7,880 rads]. The liver received a dose of 27.6 gray [2,760 rads], a difference of 51.2 gray [5,120 rads]. A site visit by the principal radiation protection specialist, Los Angeles County Public Health Radiation Management is scheduled for April 17, 2025." 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. California 5010 Number: 041525

ENS 57668 +/-
Where
Cedars Sinai Medical Center Los Angeles, California (NRC Region 4)
License number:	0404-19
Organization:	California Radiation Control Prgm
Reporting

Agreement State
Time - Person (Reporting Time:+54.95 h2.29 days <br />0.327 weeks <br />0.0753 months <br />)
Opened:	Thomas Miko 13:57 Apr 16, 2025
NRC Officer:	Brian P. Smith
Last Updated:	Apr 16, 2025
57668 - NRC Website
v • d • e

v t e Emergency Notification System
Cedars Sinai Medical Center with Agreement State
WEEKMONTHYEAR2025-04-14T07:00:00 [Table view]
[ENS list for Cedars Sinai Medical Center]

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