病例女，１３岁，右下颌骨渐进性肿胀３月余，无疼痛及不适感。查体：一般情况尚可。右下颌骨显著膨胀，触诊无压痛，质较硬。肿胀范围自体部、下颌骨角延及升支，牙体无明显松动，粘膜及皮肤正常，张闭口正常。临床诊断：右下颌骨肿瘤。ＣＴ征象：右下颌骨骨体明显膨胀，... Case of female, 13 years old, progressive swelling of the right mandible more than 3 months, no pain and discomfort. Physical examination: the general situation is acceptable. Right mandible significant swelling, palpation no tenderness, quality hard. Swelling range from the body, mandibular angle extension and ascending, no obvious loose teeth, mucous membranes and skin is normal, Zhang closed normal. Clinical diagnosis: Right mandible tumor. CT signs: right mandibular body significantly expanded, ...