牙源性角化囊肿(odontogenic keratocyst,OKC)1956年由Philipsen[1]最先报道,是一种好发于上下颌磨牙区及下颌升支部颌骨内的囊性肿物,它的生长方式具有侵袭性、缺乏自限性,容易复发,有某些肿瘤的特征[2,3]。OKC约占颌骨囊性病变的10%,男性多于女性,多表现为孤立性单发囊肿,约占90%,少数为多发,后者可伴发痣样基底细胞癌综合征 The odontogenic keratocyst (OKC) was first reported by Philipsen [1] in 1956. It is a kind of cystic tumor that occurs in the maxillary and mandibular molars and mandibular ascending branch. Its growth pattern Invasive, lack of self-limiting, easy to relapse, there are some characteristics of the tumor [2,3]. OKC accounts for about 10% of cystic lesions of the jaw, more men than women, mostly solitary solitary cysts, accounting for about 90%, a few are multiple, the latter may be associated with nevus-like basal cell carcinoma syndrome