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The following information was provided by … The following information was provided by the Arizona Department of Health Services (the Department) via email:</br>The Department received notification from the licensee of a lost I-125 seed used for localization. A patient was implanted with a 0.133 millicurie I-125 seed on March 18, 2026, with the placement of the seed verified by x-ray. The patient returned on March 27, 2026, to have the tissue and seed removed. The tissue with seed was verified by x-ray and then sent to pathology, where no seed was (found). The operating room was surveyed, but the seed was not located. The Department has requested additional information and continues to investigate the event." </br>THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL</br>Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf.org/MTCD/publications/PDF/Pub1227_web.pdf +
07:00:00, 27 March 2026 +
58,222 +
18:15:00, 30 March 2026 +
07:00:00, 27 March 2026 +
The following information was provided by … The following information was provided by the Arizona Department of Health Services (the Department) via email:</br>The Department received notification from the licensee of a lost I-125 seed used for localization. A patient was implanted with a 0.133 millicurie I-125 seed on March 18, 2026, with the placement of the seed verified by x-ray. The patient returned on March 27, 2026, to have the tissue and seed removed. The tissue with seed was verified by x-ray and then sent to pathology, where no seed was (found). The operating room was surveyed, but the seed was not located. The Department has requested additional information and continues to investigate the event." </br>THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL</br>Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf.org/MTCD/publications/PDF/Pub1227_web.pdf +
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, 30 March 2026 +
07-311 +
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>.
10:36:19, 7 April 2026 +
18:15:00, 30 March 2026 +
Processing error"Processing error" is a predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> and represents errors that appeared in connection with improper value annotations or input processing.
3.469 d (83.25 hours, 0.496 weeks, 0.114 months) +
07:00:00, 27 March 2026 +
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.