MethodsThe specimens from 26 nasal polyps case and 10 normal nose-piece are fixuped for 48 hour in 10% formalin and then embed in ole-fm,made into 4u,m olefin slice up.

• 将26例鼻息肉和10例鼻甲粘膜标本经10%25中性福尔马林溶液固定48h，石蜡包埋，制成4呷厚石蜡切片。