occasional atypical lymphocytessignificance of atypical lymphocytesmononucleosis atypical lymphocyteselevated atypical lymphocytesincreased atypical lymphocytesatypical reactive lymphocytesabsolute atypical lymphocyteshigh atypical lymphocyte countrare atypical lymphocytesebv atypical lymphocytesatypical lymphocytes monoatypical lymphocytes on blood film