Systemic Mastocytosis with Smoldering Multiple Myeloma: Report of a Case

Figure 2

Liver biopsy immunohistochemical staining showing mast cells positive for CD117 (a), CD25 (b), and mast cell tryptase (c). Of note, (c) is zoomed in on the portion of the liver that is positive for mast cells.

(a)

(b)

(c)