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骨外型牙源性钙化上皮瘤极为罕见,通过复习1966～2011年英文MEDLINE与1994～2011年中文CHKD中收录的文献,仅有37例骨外型牙源性钙化上皮瘤的个案报告。根据上述资料分析,发现该瘤具有以下临床特点,就诊年龄3～71岁,平均35.8岁;男13例,女19例,男女比例为1∶1.46;肿块直径0.5～4 cm,平均1.76 cm;好发部位主要是牙龈,累及下颌与上颌牙龈的比例为1∶1;组织学特征表现与骨内型牙源性钙化上皮瘤基本相同;复发率为5.4%。因该瘤具有浅表骨侵蚀能力,应行完整的肿瘤切除结合骨面刮治术。
Extranodal odontogenic calcified epithelioma is extremely rare. Only 37 cases of extra odontogenic odontogenic calcified epithelioma have been reported by reviewing MEDLINE from 1966 to 2011 and Chinese CHKD from 1994 to 2011. According to the above data analysis, the tumor was found to have the following clinical features. The patients were aged 3 to 71 years with an average of 35.8 years old. There were 13 males and 19 females, with a ratio of 1: 1.46. The diameter of the tumor was 0.5-4 cm with an average of 1.76 cm. The predilection sites are mainly gums, involving the mandibular and maxillary gingival ratio of 1: 1; histological features and basic intraosseous odontogenic calcified epithelial tumor is basically the same; the recurrence rate was 5.4%. Because of the tumor with superficial erosion of bone, should be performed with a complete tumor resection combined with bone scraping surgery.