Abstract：
Primordial odontogenic tumor (POT) is a rare mixed odontogenic tumor composed of primitive ectomesenchyme similar to the dental papilla. The outer surface consists of columnar/cuboidal odontogenic epithelium similar to the inner enamel epithelium, and there is no hard tissue formation. Until now, 27 cases have been reported in the English literature. This article describes the clinicopathological characteristics of one case of POT, representing the oldest patient (aged 26 years) reported to date.
摘要：
原始牙源性肿瘤（POT）是一种罕见的混合牙源性肿瘤，由类似于牙乳头的原始外植体组成。外表面由柱状/立方体牙源性上皮组成，类似于内部釉质上皮，并且没有硬组织形成。直到现在,英文文献中已报道27例。本文介绍了1例POT的临床病理特点,代表迄今为止报告的年龄最大的患者（26岁）。
