ENS 56746

v t e ENS Event
16:00 Sep 18, 2023
Title	Underdose
Event Description	The following information was received from the Colorado Department of Public Health and Environment via email: After completing a Yttrium-90 TheraSpheres treatment, [medical personnel] were measuring the residual Yttrium-90 TheraSpheres and found that the administered dose delivered to the patient was only 313.2 Gray and the prescribed dose was 407 Gray. The total dose delivered was only 77 percent of the prescribed dose. The department is investigating the cause of the event. Colorado Event Report ID: CO 230032 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 56746 +/-
Where
North Colorado Medical Center Greeley, Colorado (NRC Region 4)
License number:	CO 263-01
Organization:	Colorado Dept Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+21.05 h0.877 days <br />0.125 weeks <br />0.0288 months <br />)
Opened:	Tim Thorvaldson 13:03 Sep 19, 2023
NRC Officer:	John Russell
Last Updated:	Sep 19, 2023
56746 - NRC Website
v • d • e

v t e Emergency Notification System
North Colorado Medical Center with Agreement State
WEEKMONTHYEAR2023-09-18T16:00:00 [Table view]
[ENS list for North Colorado Medical Center]

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