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The following information was provided by … The following information was provided by the Texas Department of State Health Services (the Department) via email:</br>On November 6, 2025, the Department received a report from the licensee's radiation safety officer (RSO) stating that they had discovered three under exposure events had occurred using Y-90 TheraSphere beads. The events were discovered during a review of these procedures conducted by a new manager. The events occurred on September 11, (September) 18, and (September) 22, 2025. </br>In the September 11 event, the patient was prescribed to receive 34.3 millicuries (mCi) but only received 20.0 mCi. In the September 18 event, the patient was prescribed two separate procedures of 34.3 and 48.9 mCi, but received 23.6 and 31.8 mCi (respectively). In the September 22 event, the patient was prescribed 35.7 mCi but received 26.4 mCi. The final dose calculations were based on the recorded radiation readings taken on the delivery devices after the procedures. </br>The RSO stated they have reviewed the records for the events and interviewed the individual who had taken the after-procedure radiation readings and was not able to determine the cause of the underexposures. The prescribing physicians in each case have been notified of the error. The patients will be notified by their physician of the events. The RSO stated they are continuing to investigate the cause of the under exposures. The RSO stated they do not expect any adverse effects on the patients. Additional information will be provided as it is received in accordance with SA-300.</br>Texas Incident #: 10242</br>Texas NMED # TX250058</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. +
06:00:00, 11 September 2025 +
16:25:00, 6 November 2025 +
06:00:00, 11 September 2025 +
The following information was provided by … The following information was provided by the Texas Department of State Health Services (the Department) via email:</br>On November 6, 2025, the Department received a report from the licensee's radiation safety officer (RSO) stating that they had discovered three under exposure events had occurred using Y-90 TheraSphere beads. The events were discovered during a review of these procedures conducted by a new manager. The events occurred on September 11, (September) 18, and (September) 22, 2025. </br>In the September 11 event, the patient was prescribed to receive 34.3 millicuries (mCi) but only received 20.0 mCi. In the September 18 event, the patient was prescribed two separate procedures of 34.3 and 48.9 mCi, but received 23.6 and 31.8 mCi (respectively). In the September 22 event, the patient was prescribed 35.7 mCi but received 26.4 mCi. The final dose calculations were based on the recorded radiation readings taken on the delivery devices after the procedures. </br>The RSO stated they have reviewed the records for the events and interviewed the individual who had taken the after-procedure radiation readings and was not able to determine the cause of the underexposures. The prescribing physicians in each case have been notified of the error. The patients will be notified by their physician of the events. The RSO stated they are continuing to investigate the cause of the under exposures. The RSO stated they do not expect any adverse effects on the patients. Additional information will be provided as it is received in accordance with SA-300.</br>Texas Incident #: 10242</br>Texas NMED # TX250058</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>.
00:00:00, 6 November 2025 +
L00384 +
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>.
12:20:03, 14 November 2025 +
16:25:00, 6 November 2025 +
56.393 d (1,353.42 hours, 8.056 weeks, 1.854 months) +
06:00:00, 11 September 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.