Hammitzsch, Ariane https://orcid.org/0000-0003-2658-4764
Ferraro, Noemi
Bachmann, Quirin https://orcid.org/0009-0003-0312-9141
Heemann, Uwe
Moog, Philipp https://orcid.org/0000-0001-5002-8149
Funding for this research was provided by:
Technische Universität München
Article History
Received: 13 October 2025
Accepted: 14 December 2025
First Online: 13 January 2026
Declarations
:
: The authors report no conflict of interest.
: This retrospective observational study was approved by the Institutional Review board of the Technical University of Munich on 17.10.2016 (204/16 S). All patients provided written informed consent. The study was conducted in accordance with the Declaration of Helsinki.
: All authors agree to be accountable for all aspects of the work, ensuring that any questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
: Part of the content presented in this article was previously shared in the form of an abstract and poster presentation at the 52nd annual meeting of the German Society of Rheumatology 18th-21st of September 2024 in Duesseldorf, Germany (IgG4-RD - Retrospective cohort study of 25 patients from a tertiary center. VS.06; ). The current manuscript provides an extended and detailed report of the study’s methodology, data, and results.