H10: manufacturer narrative: h3, h6: siemens healthineers completed the investigation of the reported event.The investigation was performed based on expert discussions, consideration of the complaint description, customer service reports, system history, and log file analysis.On january 19, 2023, siemens healthineers was informed that a patient complained of hair loss after embolization procedure.The patient had experienced six (6) embolization treatments between march 2022 and december 2022.The last two (2) treatments were on december 20, 2022 and december 24, 2022.The patient reported hair loss afterwards.From the last two (2) treatments, patient received approximately 3.5 gy from plane-a and around 1 gy from plane-b.The 3.5 gy dose from plane-a was mostly completed with projections from the same angle.This could possibly result in hair loss.The detailed technical investigation revealed that the recorded dose values are in accordance with the system settings and imaging conditions and comply with the applicable regulatory requirements.No system malfunction was identified for the claimed effect.The system did not contribute to the communicated effect outside of the operator's control.The occurrence rate of the aforementioned error pattern was checked.A possible error accumulation or even a systematic error which leads to corrective action, could not be determined by the investigation.No malfunction of the system could be detected.This complaint has been closed.
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