Cutaneous Vasculitis: An Unusual Presentation of a Biclonal Nodal Plasma Cell Dyscrasia

Figure 2

Left axillary lymph node biopsy. (a) Haematoxylin and eosin stain at ×40. (b) CD138 stain at ×40, strongly positive. (c) Kappa stain at ×40, strongly positive. (d) Lambda stain at ×40, negative demonstrating kappa light chain restriction.

(a)

(b)

(c)

(d)