上颌骨成釉细胞纤维瘤1例

患者，女，22岁，以“右面部肿胀2个月”为主诉于2012年6月21日入院。专科查体：右侧面部膨隆，右上颌前庭沟膨隆，右侧硬腭膨隆（图1），压痛（-），上颌牙齿列齐，无缺损，无活动，无张口受限，眼球活动及视力正常，双侧鼻腔通畅。

Maxillary ameloblastic fibroma,a case report

Ameloblastic fibroma（AF） is a benign tumor, it is a true mixed tumor composed of neoplastic epi- thelium and mesenchymal. This tumor is rare, and it almost arises in the mandible. A 22-years old {emale patient referred AF in the maxillary was present. The tumor was asymptomatic, except the right facial bulge. The radio- graph showed a well-circumscribed neoplasm with several low density cysts involving the right maxillary and eth- miod. The lesion was enucleated and the material was sent for histopathologic examination. Microscopically, it was composed epithelium and mesenchymal with histopathological diagnosis of ameloblastic fibroma.