TWIX Anonymizer VB17

TWIX Anonymizer VB17

Kai Tobias Block

The TWIX Anonymizer is a small Windows tool for anonymizing TWIX raw data files (.dat) from Siemens MRI scanners running the software versions VB17 or VB18. This is a mandatory procedure before raw data from patient exams can be shared to researchers. The software will eliminate patient information including patient name, date of birth, and patient ID. Institutional information (site name, MRI machine, date of scan) will remain in the file.


The program shows a dialog where the user can select a directory. By pressing the Start button, it will anonymize all TWIX .dat files in that directory. Anonymized TWIX files then have the suffix "_anonymized" in the file name.

NOTE: This software only supports raw data files from the Siemens syngoMR versions VB17A and VB18P. Files from the VDxx software versions are not supported (in the VDxx software versions, data can be directly anonymized from the TWIX tool).


PLEASE NOTE: The software available on this page is provided free of charge and comes without any warranty. CAI²R and the NYU School of Medicine do not take any liability for problems or damage of any kind resulting from the use of the files provided. Operation of the software is solely at the user's own risk. The software developments provided are not medical products and must not be used for making diagnostic decisions.

The software is provided for non-commercial, academic use only. Usage or distribution of the software for commercial purpose is prohibited. All rights belong to the author (Kai Tobias Block) and the NYU School of Medicine. If you use the software for academic work, please give credit to the author in publications and cite the related publications.

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Philanthropic Support

We gratefully acknowledge generous support for radiology research at NYU Langone Medical Center from:
• The Big George Foundation
• Raymond and Beverly Sackler
• Bernard and Irene Schwartz

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