鼻腔鼻窦额外牙为鼻科少见疾病,我科曾遇见2例鼻腔鼻窦额外牙伴有囊肿者。报告如下。 例1 男,41岁。因左侧鼻翼及颌面部肿胀3年,于1999年4月14日入院。3年前,无诱因出现左侧鼻翼部肿胀隆起,伴轻度鼻塞,鼻翼部肿胀逐渐加重,同侧面颊部及上唇隆起,局部胀感,鼻塞加 Nasal sinus additional teeth for rare diseases of the nose, our department had met two cases of additional nasal sinus with cysts. The report is as follows. Example 1 Male, 41 years old. Due to the left nose and maxillofacial swelling of 3 years, on April 14, 1999 admission. 3 years ago, there was no incentive for the left nasal swelling, with mild nasal congestion, nasal swelling gradually increased, ipsilateral buccal and upper lip bulging, partial bulging, nasal congestion plus