Siemens became aware of data loss on the syngo.Plaza system.The initial issue of hardware recovery and operational systems/database restoration was reported under mdr # 2240869-2019-69334, however, it was later recognized that approximately 900 studies dating to the timeframe 2016 - 2019 had not been archived.Several data files (plaza mts files) were found without reference to the syngo.Plaza database.After the mts files were imported, the data loss was evaluated as 525 studies with 4617 series.The affected data consisted of recently acquired images and it was stored on the short-term storage (sts).These images are potentially clinically relevant for follow-up diagnosis.The user is aware of the unavailability of this data.There are no injuries attributed to this event.The reported event occurred in (b)(6).
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