Fig. 4From: Unusual presentation of talonavicular joint pigmented villonodular synovitis: a case reportHistology was performed with hematoxylin–eosin (H–E) staining, and the brown areas indicate extensive hemosiderin deposition (stars). Multinucleated giant cells (arrowheads) and mononuclear histiocytoid cells (straight arrow) are visibleBack to article page