Kızıltepe, M. et al. 2025. Occurrence of 2 Uncommon Findings in a Patient With Immunoglobulin G4–Related Disease: Maxillary Sinus Involvement and AA (Amyloid A) Amyloidosis. Archives of Rheumatology. 40, 3 (Sep. 2025), 410–412. DOI:https://doi.org/10.5152/ArchRheumatol.2025.11132.