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RSS feed source: International Atomic Energy Association--Nuclear & Radiological Events

Exposure from a Medical Treatment Source

Print View Posted on: 26 December 2024

Event Date: 21 July 2017 Event Type: Radiation Source Event Location: Korea, Republic of, Seoul INES Rating: 3 (Final)

On July 21, 2017, at a hospital in Seoul, an incident occurred when the assigned staff member failed to follow the patient verification procedure in the I-131 therapy room. As a result, a dose of I-131 (5,550 MBq), intended for a thyroid desease patient, was mistakenly administered to another patient. The misadministrated patient had been hospitalized since July 19 for MIBG therapy and had already received a dose of I-131 (7,400 MBq). Due to the misadministration, the additional thyroid absorbed dose was estimated to be between 15.6 and 24.4 Gy.

INES Rating: 3 – Serious incident (Final) as per 23 May 2018

Impact on people and the environment Release beyond authorized limits? No Overexposure of a member of the public? Yes Overexposure of a worker? No

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