Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Dec 26, 2022; 10(36): 13364-13372
Published online Dec 26, 2022. doi: 10.12998/wjcc.v10.i36.13364
Figure 2
Figure 2 Histopathological and immunohistochemical analysis. A and B: Hematoxylin and eosin staining revealed angiofollicular lymph node hyperplasia (200 × and 400 ×); C and D: The presence of mature plasma cells (200 × and 400 ×); E-J: Positive immunohistochemical staining for plasma cell markers: CD138, CD38, κ light chains, λ light chains, CD79α, T-cell marker CD43; K: Negative staining for B-cell marker CD20; and L: The Ki-67 positive staining.