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The following information was provided by … The following information was provided by the Massachusetts Radiation Control Program (MRCP) via email:</br>On 02/13/25, at 1138 EST, the licensee, Beth Israel Deaconess Medical Center (Massachusetts license number: 60-0432) reported a medical event involving yttrium-90 Theraspheres (Manufacturer: Nordion BWXT ITG Canada, Inc.; Model: TheraSphere Y-90 glass microsphere system; sealed source and device registration number: NR-0220-D-131-S). The total administered activity differed from prescribed treatment activity as documented in the written directive by 20 percent or more.</br>The medical event occurred on 2/11/25. The activity delivered was calculated to be 45.5 percent of the prescribed activity (prescribed activity: 4.13 GBq, delivered activity: 1.88 GBq). The event was identified on 2/12/25. The licensee reported that there was no adverse effect on the patient. The authorized user, referring physician, and patient have been notified.</br>MRCP will follow up with the licensee's radiation safety officer (RSO) to determine event cause and corrective actions. The device has been taken out of service while the investigation remains open.</br>The MRCP considers this event open. The MRCP will follow up with a special inspection of the licensee.</br>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.necessarily result in harm to the patient. +
05:00:00, 11 February 2025 +
57,546 +
11:37:00, 14 February 2025 +
05:00:00, 11 February 2025 +
The following information was provided by … The following information was provided by the Massachusetts Radiation Control Program (MRCP) via email:</br>On 02/13/25, at 1138 EST, the licensee, Beth Israel Deaconess Medical Center (Massachusetts license number: 60-0432) reported a medical event involving yttrium-90 Theraspheres (Manufacturer: Nordion BWXT ITG Canada, Inc.; Model: TheraSphere Y-90 glass microsphere system; sealed source and device registration number: NR-0220-D-131-S). The total administered activity differed from prescribed treatment activity as documented in the written directive by 20 percent or more.</br>The medical event occurred on 2/11/25. The activity delivered was calculated to be 45.5 percent of the prescribed activity (prescribed activity: 4.13 GBq, delivered activity: 1.88 GBq). The event was identified on 2/12/25. The licensee reported that there was no adverse effect on the patient. The authorized user, referring physician, and patient have been notified.</br>MRCP will follow up with the licensee's radiation safety officer (RSO) to determine event cause and corrective actions. The device has been taken out of service while the investigation remains open.</br>The MRCP considers this event open. The MRCP will follow up with a special inspection of the licensee.</br>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.necessarily result in harm to the patient. +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
Yttrium-90 + and Y-90 +
00:00:00, 14 February 2025 +
60-0432 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
13:01:04, 24 February 2025 +
11:37:00, 14 February 2025 +
3.276 d (78.62 hours, 0.468 weeks, 0.108 months) +
05:00:00, 11 February 2025 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.