Basics DEFINITION Lymphocytosis is defined as any lymphocyte count in excess of 5×109per liter. Atypical lymphocytosis is present when atypical lymphocytes account for more than 20% of the total peripheral blood lymphocyte population. The...
Tagged: Infectious mononucleosis
Erythema Nodosum is a delayed-type hypersensitivity reaction to infectious agents, medications, or malignancies, or in the setting of autoimmune disorders, presenting as a subcutaneous panniculitis
Epstein-Barr virus (EBV) is the cause of heterophile-positive infectious mononucleosis. All seropositive persons actively shed the virus in the saliva. System(s) affected: Hemic/Lymphatic/Immunologic