Case Report: Two cases of chronic active Epstein-Barr virus disease presenting as refractory sinusitis
BackgroundChronic active Epstein-Barr virus disease (CAEBV) is a systemic, progressive lymphoproliferative disorder caused by the Epstein-Barr virus (EBV) infecting T cells and/or natural killer (NK) cells. It exhibits both inflammatory and clonal prol…