Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Jun 26, 2022; 10(18): 6269-6276
Published online Jun 26, 2022. doi: 10.12998/wjcc.v10.i18.6269
Figure 3
Figure 3 Pathological features of the resection part indicating the diagnosis of immunoglobulin G4 related hypertrophic pachymeningitis. A and B: Proliferation of fibrous tissue accompanied by numerous lymphocytes and plasma cells as shown by hematoxylin and eosin staining (A: × 100; B: × 400); C: Immunohistochemical staining exhibited an increased number of CD138-positive plasma cells (× 400); D: Large number of immunoglobulin G4-positive plasma cells as shown by immunohistochemical staining [~200 per high power field (× 400)].