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A 36-year-old male driver consulted our clinic, complaining the right wrist joint pain on motion. Roentogenographic appearance showed multi-lobulated translucent focus at distal end of the right radius. Initially, curettage and packing with bone cement was performed. Histologically it was diagnosed as giant cell tumor of bone, which consisted of abundant multinucleated giant cells and a few stromal cells.Three months later, local recurrence of the right radius and two soft part tumors at the dorsal side of the right hand were found. Soft part tumors were resected and diagnosed as malignant giant cell tumor, which consisted of a few bizarre multinucleated giant cells and dominant proliferation of stromal cells partly arranged in a storiform pattern.Seven months after the initial operation, neither recurrence nor metastasis was found. Satisfactory active daily life was gained with moderate limitation of ROM at the right wrist joint and the first MP joint of the right thumb.
西日本整形・災害外科学会の論文