牙源性腺样瘤(adenomatoid odon-togenic tumor),又名腺样造釉细胞瘤(adenoameloblastoma)。此瘤可能来源于造釉器、缩余釉上皮、含牙囊肿上皮,也可能来自口腔粘膜上皮。在临床上不易与含牙囊肿区别,主要依靠病理检查进行确诊。作者经治一例患者,报道如下。患者男,18岁,工人,左侧面部渐进性隆起半年余,伴有左眼及左面颊部胀痛,同时左鼻堵塞,但无流脓血涕及清水涕现象,亦无流泪现象。于1982年5月10日收入住院。检查:左侧面颊部有一长卵园形,约3×5cm之隆起,质较硬,无压痛,同侧硬腭稍隆起,左鼻腔外侧壁向中线移位与鼻中隔相接触。牙(?)缺如,两眼视力正常。血、尿常规及胸透均无异常。X线摄片:左上颌 Adenomatoid odon-togenic tumor, also known as adenoameloblastoma. The tumor may originate from a glaucoma, a luminal enamel, a cyst containing the teeth, or from the oral mucosa epithelium. In clinical difficult with the difference between dental cysts, mainly rely on pathological examination for diagnosis. The author of a patient, reported as follows. Patient Male, 18 years old, worker, progressive left facial swelling more than six months, accompanied by left eye and left cheek Ministry of pain, while the left nasal congestion, but no pus and runny nose and clear water tears phenomenon, no tears. In May 10, 1982 income hospital. Check: The left cheek has a long egg-shaped garden, about 3 × 5cm of the uplift, hard quality, no tenderness, the ipsilateral hard palate slightly elevated left nasal lateral wall shift to the median line contact with the nasal septum. Lack of teeth (?), Both eyesight normal. Blood, urine and thoracic no abnormalities. X-ray: left maxillary