Analysis of Epstein-Barr virus in localized nasopharyngeal carcinoma tumors.

BACKGROUND An f variant of Epstein-Barr virus (EBV) appears associated with nasopharyngeal carcinoma (NPC) in Southern Chinese. Early diagnosis of the tumor allows the detection of some localized tumors. METHODS A polymerase chain reaction (PCR) assay for genotyping EBV was used to evaluate the presence of the virus in NPC biopsies of local tumors of… CONTINUE READING