12 November 2020>: Articles
IgG4-Related Fibrous Thyroiditis (Riedel’s Thyroiditis): A Case Report
Challenging differential diagnosis, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Valeria Navarro-Sánchez B , Luis Antonio Marín-Castañeda B , Cecilia A. Gallegos B , Oscar Quiroz B , Miguel Ahumada-Ayala B*DOI: 10.12659/AJCR.928046
Am J Case Rep 2020; 21:e928046
Figure 3. Immunostaining for thyroglobulin and immunoglobulin G4 (IgG). (A) Residual thyroid follicular epithelium is highlighted with thyroglobulin-positive staining. (B) Immunostaining for IgG4 shows the presence of IgG4-positive plasma cells (black arrow).