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Figure 4: 40× magnification showing thickening of the vessel wall with infiltration of lymphocytes, histiocytes and plasma cells in and around the vessel walls with the presence of extravascular eosinophils and extravasated RBCs (H and E stain)

Figure 4: 40× magnification showing thickening of the vessel wall with infiltration of lymphocytes, histiocytes and plasma cells in and around the vessel walls with the presence of extravascular eosinophils and extravasated RBCs (H and E stain)