摘要
Summary(#br)Context(#br)IgG4‐positive (+) plasma cells have been reported in both Riedel's thyroiditis ( RT ) and Hashimoto's thyroiditis ( HT ). These cells are the hallmark of IgG4‐related disease (IgG4‐ RD ).(#br)Objective(#br)We sought to determine whether RT is part of IgG4‐ RD spectrum.(#br)De...