Unicentric Castleman’s disease associated with end stage renal disease caused by amyloidosis

Figure 1 Light microscopy (HE × 400) demonstrates that reactive lymphoid follicles and the reactive germinal centers are radially penetrated by blood vessels in the lymph node specimen.

Figure 2 Light microscopy (HE × 400) demonstrates Congo red positive amyloid deposits in a glomerulus in the renal biopsy specimen.