颌骨表皮囊肿极为罕见,目前国内尚未见报道,我院收治1例,现报道如下: 患者奚××,男,36岁,住院号:147665,于1986年10月4日按“左下颌骨囊肿”入院。患者于1980年6月因左下颌骨骨化纤维瘤行手术治疗,术后情况良好。1985年11月摄片复查:见左下颌骨体部有3×2cm大小骨质缺如区,边缘光滑。骨质轻度硬化,于1986年6月发现左下颌骨处有一隆起物,有时疼痛不适。颌面部情况:左下颌骨体部稍膨隆,位于78区可扪及一2×2×1cm大小包块,不活动,质较硬,有轻度压痛,局部皮肤无异常改变,患侧牙齿不松动, Jaw epidermoid cyst is extremely rare, at present, no reports have been reported in our hospital in 1 case, are reported as follows: patients XI × ×, male, 36 years old, hospital number: 147665, on October 4, 1986 press the “left mandible Cyst ”admission. Patients in June 1980 due to left mandibular ossification fibroses surgery, postoperative condition is good. November 1985 radiography review: see the left mandibular body with 3 × 2cm size of the absence of bone area, smooth edges. Bone mild sclerosis, in June 1986 found a raised at the left mandible, and sometimes pain and discomfort. Maxillofacial conditions: The left mandibular body slightly bulging, located in the 78 area palpable and a 2 × 2 × 1cm size of the mass, inactivity, hard quality, mild tenderness, no abnormal changes in the local skin, ipsilateral teeth Not loose,