对下颌骨软骨母细胞型骨肉瘤误诊为含牙囊肿1例分析如下。1病历摘要女,16岁。因右下颌骨无痛渐增性肿物2个月余于2006-07-17入我科。3个月前因右下后牙牙龈有一肿物伴右下第一前磨牙松动就诊于当地诊所,行根尖X线示右颏孔下方一埋伏牙影。行肿物穿刺,抽出少量淡黄色液体,即在局 Misdiagnosed as mandibular chondroblastic osteosarcoma containing dental cysts in 1 case analyzed as follows. 1 medical records female, 16 years old. Due to painless swelling of the right mandible in more than 2 months in 2006-07-17 into my department. 3 months ago, due to a right lower back gum with a swollen gums with the first right lower first premolar loosening visit to the local clinic, the root tip of the X-ray showed a right cheek hole a shadow ambush. Tumor puncture, remove a small amount of light yellow liquid, that is in the Council