11 April 2025
: Case report 
Exploring Protein A Immunoadsorption for Autoimmune Hemolytic Anemia with Hyper-IgG4emia
Unusual or unexpected effect of treatment
Jianwen Wang
12ACE, Yuxin Li12BE, Xinran Wang12EF, Xinyu Yang12BF, Yeyi Yang 12BD, Hao Zhang12AD*
DOI: 10.12659/AJCR.945746
Am J Case Rep 2025; 26:e945746
Figure 2. Biopsy of the right inguinal lymph node. Lymphatic tissue hyperplasia with predominant paracortical hyperplasia and small-vessel hyperplasia. Immunohistochemistry: CD3 (+), CD20 (+), CD21 (focal +), Bcl-2 (+), EBER (-), EBER control (+), CD10 (-), Ki-67 (10%), CD5 (+), CD4 (+), CD8 (+), Bcl-6 (-), CXCL-13 (-).