A.1%~5% B.5%~10% C.10%~20% D.20%~25% E.30%~35%
A.多發(fā)生于額竇,其次為篩竇 B.多發(fā)生于上頜竇,其次為額竇 C.多發(fā)生于篩竇,其次為額竇 D.多發(fā)生于蝶竇,其次為篩竇 E.多發(fā)生于上頜竇,其次為篩竇
A.切除后易復(fù)發(fā) B.5%~15%惡變可能 C.色紅或灰紅,外觀如乳頭,顆粒或桑葚樣 D.質(zhì)地較息肉硬 E.質(zhì)地較息肉軟