Osteoclastoma

Osteoclastoma: Tumor composed of spindle shaped cells and multinucleated giant cells. Many congested blood vessels are noted  (H&E,X50)

Osteoclastoma: Tumor composed of spindle shaped mononucleated cells and multinucleated giant cells (H&E,X100)

Osteoclastoma: Tumor composed of mononucleated cells and multinucleated giant cells (H&E,X400)