Results: In 52 patients,the EBVDNA copy of 27 patients was detected higher than 50 copy in adenoidal tissue and/or tonsilar tissue.In 34 boys, 17 tissues EBVDNA copy were higher than 50 copy.

• 结果： 在52例患儿中，有27例患儿的腺样体组织和/或扁桃体组织内的EB病毒基因拷贝数大于正常值（正常值＜50拷贝）。