下颌骨骨巨细胞瘤ｌ例报告骨巨细胞瘤是由骨髓腔内原始间叶细胞发生的，占骨肿瘤的４％，而发生在颌骨中者更少见，过去报告的巨细胞瘤中，有不少并非真正的骨巨细胞瘤，而是其它非肿瘤性巨细胞病变。颌骨的巨细胞病多发生于颌骨联合处和双尖牙区，发病年龄在２０～４０岁... 1 case of giant cell tumor of the mandible Giant cell tumor of the bone is formed by the primitive mesenchymal cells in the medullary cavity, accounting for 4% of the bone tumors, while those occurring in the jawbone are less common. In the past reported giant cell tumors, Many are not truly giant cell tumors of the bone, but other non-neoplastic cytopathic lesions. Jaws of the cytomegalovirus occurred in the joint of the jaw and the bicuspid area, the age of onset in 20 to 40 years old ...