Figure 2From: Solid variant of aneurysmal bone cyst in the tibia treated with simple curettage without bone graft: a case reportPhotomicrographs showing a) belt-shaped giant cells against a background of spindle cells and scattered osteoclasts. These features are compatible with solid ABC (hematoxylin-eosin x400). b) Immunohistochemical staining revealed COX-2 expressed in giant cells and spindle cells (x400).Back to article page