下颌骨骨瘤临床上并不少见,但源于周缘松质骨骨瘤实为罕见。现将我们所遇1例报告如下:患者滕××,男,40岁,农民。住院号:106016。患者于3年前发现右下颌角部有一肿块,约黄豆粒大小,无不适感,未作任何治疗。肿块逐渐增大,但生长缓慢。近半年来肿块生长较快而来就诊。口腔检查:右侧下颌骨角处可触及一约2.5×2.5×2cm 大小肿块,质硬,周围边界清,不活动,无明 Mandibular osteoma is not uncommon in clinical practice, but it is rarely seen in periprosthetic cancellous bone. Now we encounter a report as follows: Patient Teng × ×, male, 40 years old, farmer. Hospital number: 106016. The patient found a lump in the right mandibular corner 3 years ago, about the size of the bean, without any discomfort, without any treatment. Mass gradually increased, but slow growth. Over the past six months the rapid growth of the tumor treatment. Oral examination: the right mandibular angle can reach about 2.5 × 2.5 × 2cm size of the mass, hard, around the boundary clear, inactive, no clear