| 1. | Four cases were malignant , including 2 sphenoidal sinus low differentiated carcinoma , 1 adenoidocystic carcinoma , 1 inverting pallilloma with malignant change . 1 case with papillary adenoma underwent endoscopic surgery , and 5 cases underwent surgery by external approach
结果： 2例良性肿瘤中， 1例乳头状瘤治愈随访40月， 1例内翻性乳头状瘤手术后随访15月症状改善。 |
