骨巨细胞瘤好发于四肢长骨的骨骺端 ,约 2 %发生于头颈部 ,多见于颞骨及蝶骨 ,而发生于颌骨者较罕见[1] 。现将我科诊治的 1例下颌骨骨巨细胞瘤报道如下 :临床资料患者 ,女 ,3 4岁 ,因“左侧面部无痛性包块 11月余”入院 ,肿块缓慢增大 ,无下唇麻木、牙齿松动。下颌骨体部及升 Giant cell tumor occurs in the limbs of long bone metaphysis, about 2% occurred in the head and neck, more common in the temporal bone and sphenoid bone, while occurred in the jaw are rare [1]. Now one of our department of diagnosis and treatment of mandibular giant cell tumor reported as follows: The clinical data of patients, female, 34 years old, due to “left facial painless mass more than November” admission, the tumor slowly increased, without Lip numbness, loose teeth. Mandible and body parts