患者女，４６岁。自１９９４年３月起右鼻通气不畅伴清涕，１年后症状加重呈持续性鼻塞，在他院诊为右鼻腔息肉，予以手术切除，症状缓解。１９９７年８月再次行右鼻腔息肉切除，术后鼻通气改善。１９９８年５月在他院行第３次手术切除鼻息肉，术后病检报告为圆柱细胞癌，来我 Female patient, 46 years old. Since March 1994 since the right nasal ventilation is not smooth with clear tears, 1 year after the symptoms were aggravated persistent nasal congestion in his hospital for the right nasal polyps, to be surgically removed, the symptoms ease. In 1997 August again right nasal polyps resection, postoperative nasal ventilation improved. May 1998 in his hospital the third surgical removal of nasal polyps, postoperative pathological examination for the cylindrical cell carcinoma, come to me