造釉细胞纤维肉瘤或称造釉细胞肉瘤,本病很少见,好发在20岁以下的青年人,我科收治1例,现报告如下: 患者男性,11岁。右下颌骨长一肿瘤2月余,逐渐增大,曾用抗菌素治疗无效,于1983年8月27日入我院要求进一步查治。检查:右面部肿胀隆起,头颈部浅表淋巴结不肿大。口腔科检查,右下颌骨角部肿胀隆起,表面皮肤 Ameloblastic fibrosarcoma, or ameloblast sarcoma, is rarely seen in this population. It occurs in young people under the age of 20 and is admitted to our department as a patient. The current report is as follows: The patient is male and is 11 years old. The length of the right mandible was more than two months old and gradually increased. It had failed to be treated with antibiotics. On August 27, 1983, it was admitted to our hospital for further investigation. Examination: The right facial swelling bulges, and the superficial lymph nodes of the head and neck are not swollen. Stomatological examination, swelling of the right mandible bulge, surface skin