Sphenoid Brown Tumor Associated with a Parathyroid Carcinoma

Figure 2

(a) Bone lesion composed of multiple multinucleated giant cells mixed with stromal spindle cells with hemosiderin deposition. H&E stain, ×50. (b) Multinucleated giant cell surrounded by stromal spindle cells. H&E stain, ×400.

(a)

(b)