Rare Form of Erdheim-Chester Disease Presenting with Isolated Central Skeletal Lesions Treated with a Combination of Alfa-Interferon and Zoledronic Acid

Figure 2

(a) Hematoxylin-eosin staining, 100. (b) High-power view of hematoxylin-eosin staining, 400. Arrows: groups of xanthoma cells, arrowhead: giant multinuclear cell, stars: foci of fibrosis.

(a)

(b)