骨巨细胞瘤为常见骨肿瘤,约占骨肿瘤的15—20%左右,多发生于20—40岁的青壮年,男女性发病率大致相同。本病好发于四肢骨的骨骺端,发生于颅骨者甚少,仍可见于上下颌骨。颞骨巨细胞瘤极为罕见,国内吴恩惠等(1956)、孙启铮等(1959)、兰士熊等(1959)、吉保华(1965)各报告一例;日本原田纪报告一例(19 Giant cell tumor of bone is a common bone tumor, accounting for about 15-20% of bone tumors. It mostly occurs in young adults aged 20-40 years. The incidence of male and female is roughly the same. The disease occurs in the epiphysis of the limbs. It occurs rarely in the skull and is still visible in the upper and lower jaws. Giant cell tumor of the sacrum is extremely rare. One case was reported by Wu Enhui et al. (1956), Sun Qiyin et al. (1959), Lan Shixiong et al. (1959), and Ji Baohua (1965) in China; one case was reported by Harada, Japan (19).