Epstein-Barr virus-positive pleural effusion: Clinical features, cytomorphologic characteristics, and flow cytometric immunophenotyping.

摘要

EBV infection/reactivation can account for certain proportions of "idiopathic" PEs. Polymorphous lymphocytosis is the most common cytologic feature, but atypical features (in both lymphocytes and mesothelial cells) can be seen.