case_images: PMC3307453_01
case_images: Aggregates of uniform appearing spindled stromal cells and innumerable osteoclast type giant cells (H and E, x400). Inset showing histomorphology of the resected giant cell tumor (H and E, x400)
case_images: JCytol-29-51-g001.jpg
case_images: PMC3307453_01_JCytol-29-51-g001.jpg
case_images: F1
case_images: Mitotic figures were noted frequently [Figure 1].
case_images: Large expansile tumor mass with thinned out cortex in the anterior end of fourth rib noted on computed tomography scan
case_images: JCytol-29-51-g002.jpg
case_images: PMC3307453_01_JCytol-29-51-g002.jpg
case_images: F2
case_images: In correlation with radiographic findings of an eccentric expanded lytic lesion with cortical erosion of anterior arc of fourth rib [Figure 2], a diagnosis of aggressive giant cell tumor of rib was offered cytologically.