Figure 5From: Solid variant of aneurysmal bone cyst of the thoracic spine: a case report Photomicrographs (A) (×100) and (B) (×200) illustrate the proliferating round to oval cells mixed with randomly distributed multi-nucleated giant cells. Regions of reactive fibroblastic proliferation are present. Panels (C) (×200) and (D) (×400) show an example of region of tumor with the blood filled microcystic component.Back to article page