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Event Notification Report for May 18, 2021

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
05/17/2021 - 05/18/2021

EVENT NUMBERS
55267
Agreement State
Event Number: 55267
Rep Org: MINNESOTA DEPARTMENT OF HEALTH
Licensee: Mayo Clinic
Region: 3
City: Rochester   State: MN
County:
License #: 1047 Amendment 21
Agreement: Y
Docket:
NRC Notified By: Tyler Kruse
HQ OPS Officer: Lloyd Desotell
Notification Date: 05/20/2021
Notification Time: 15:34 [ET]
Event Date: 05/18/2021
Event Time: 00:00 [CDT]
Last Update Date: 05/20/2021
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
CAMERON, JAMNES (R3DO)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
Event Text
EN Revision Imported Date: 6/17/2021

EN Revision Text: AGREEMENT STATE REPORT - PATIENT UNDERDOSE

The following was received from the state of Minnesota via email:

"Only 48.63 Gy was delivered out of the 120 Gy prescribed to the patient [liver]. It appears that 1.8 GBq of the prescribed 2.95 GBq of Y-90 microspheres remained in the delivery device after removal from the patient. Only 1.15 GBq was delivered."


Minnesota Event Report ID: MN-21-0003


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.