Arotiba G T, Arotiba J T, Olaitan A A, Ajayi O F
Department of Oral and Maxillofacial Surgery, Lagos University Teaching Hospital, Nigeria.
J Oral Maxillofac Surg. 1997 Feb;55(2):146-8; discussion 149-50. doi: 10.1016/s0278-2391(97)90231-7.
This study analyzed the findings in a large series of adenomatoid odontogenic tumors (AOT) in Nigerians.
Hospital records of all cases of AOT diagnosed at three teaching hospitals were reviewed and analyzed.
Most of the tumors were intraosseous (central) (98.3%) and of the follicular type (75%). Females were more frequently affected than males (1.4:1), and patients in their second decade of life were most frequently affected (75%). Patients with follicular AOT were relatively younger (15.2 +/- 5.6 years) than those with extrafollicular tumors (20.9 +/- 13.8 years). However, males who presented with extrafollicular tumors (14.6 +/- 3.9 years) were relatively younger than their female counterparts (24.9 +/- 16 years). The maxilla was affected nearly twice as often as the mandible (1.8:1), and the canine tooth was frequently embedded in the tumor (76.9%). Although follicular tumors were most frequently located in the maxilla (76.3%), extrafollicular tumors were more commonly found in the mandible (69.2%).
The distribution of this tumor in black Africans does not appear to be substantially different from that reported in caucasians.
本研究分析了尼日利亚大量牙源性腺样瘤（AOT）病例的研究结果。
回顾并分析了三家教学医院诊断的所有AOT病例的医院记录。
大多数肿瘤为骨内（中央型）（98.3%）且为滤泡型（75%）。女性比男性更易受累（1.4:1），且最常见于第二个十年年龄段的患者（75%）。滤泡型AOT患者（15.2±5.6岁）比滤泡外型肿瘤患者（20.9±13.8岁）相对年轻。然而，出现滤泡外型肿瘤的男性（14.6±3.9岁）比女性患者（24.9±16岁）相对年轻。上颌骨受累频率几乎是下颌骨的两倍（1.8:1），且尖牙常包埋于肿瘤中（76.9%）。尽管滤泡型肿瘤最常见于上颌骨（76.3%），但滤泡外型肿瘤更常见于下颌骨（69.2%）。
这种肿瘤在非洲黑人中的分布似乎与白种人中报道的情况没有实质性差异。
