A.10%~20% B.20%~30% C.30%~40% D.40%~50% E.40%~60%
A.80% B.60% C.40% D.20% E.30%
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