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  Indian J Med Microbiol
 

Figure 5: Inflammatory pseudotumor-like FDCS. (a) The tumor background includes a large number of plasma cells, lymphocytes, and histiocytes scattered throughout the tumor with some tumor cells. Spindled to oval neoplastic cells with poorly defined cell borders were dispersed or formed loose whorled fascicles. A mitotic image can be observed. (HE, X400); (b-d) Immunohistochemical staining showed different degrees of CD21, CD35, and CD23 expression (SP, X200)

Figure 5: Inflammatory pseudotumor-like FDCS. (a) The tumor background includes a large number of plasma cells, lymphocytes, and histiocytes scattered throughout the tumor with some tumor cells. Spindled to oval neoplastic cells with poorly defined cell borders were dispersed or formed loose whorled fascicles. A mitotic image can be observed. (HE, X400); (b-d) Immunohistochemical staining showed different degrees of CD21, CD35, and CD23 expression (SP, X200)