我科曾遇１例上颌窦额外牙并巨大囊肿者。现报告如下。患者，女，５２岁。因右侧鼻翼、面颊部及上唇隆起２年，于１９９７年１０月２０日入院。２年前无诱因出现右侧鼻翼隆起，伴鼻塞，少涕；鼻不出血，未在意，后来鼻翼隆起逐渐加重，同侧面颊部及上唇亦隆起，局部胀感；但无? Our department had one case of maxillary sinus extra teeth and huge cysts. The report is as follows. Patient, female, 52 years old. Due to the right side of the nose, cheek and upper lip uplift 2 years, on October 20, 1997 admission. 2 years ago, there is no incentive to appear on the right side of the nose uplift, with nasal congestion, less tears; nose no bleeding, did not care, and later nasal wing up gradually aggravated, ipsilateral cheek and upper lip also bulge, partial swelling;