Causes of atypical lymphoid hyperplasia.
| Infectious | 
| Cat Scratch Fever | 
| Epstein-Barr Virus | 
| Human Herpesvirus-8 | 
| Human Immunodeficiency Virus | 
| Post Vaccination | 
| Toxoplasmosis | 
| Whipple's disease | 
| Primary Immunodeficiency | 
| Ataxia Telangiectasia | 
| Autoimmune Lymphoproliferative Syndrome | 
| Burton's Agammaglobulinemia | 
| Common Variable Immunodeficiency | 
| Severe Combined Immunodeficiency | 
| Wiskott-Aldrich Syndrome | 
| X-linked Lymphoproliferative Disease | 
| Drug-Associated Lymphadenopathy | 
| Cabamazepine | 
| Dilantin | 
| Nonsteroidal Antiinflammatory | 
| Immunosuppressive Drugs | 
| Antithymocyte globulin — (EBV) | 
| Azathioprine — (EBV) | 
| Corticosteroids — (EBV) | 
| Cyclosporine — (EBV) | 
| Tacrolimus (FK506) — (EBV) | 
| Methotrexate — (EBV) | 
| Autoimmune | 
| Rheumatoid Arthritis | 
| Sjögren's Syndrome | 
| Systemic Lupus Erythematosus | 
| Unknown | 
| Castleman's Disease | 
| Kikuchi's Disease | 
| Rosai-Dorfman's Disease | 
| Abbreviation: EBV, Epstein-Barr virus associated | 
| Infectious | 
| Cat Scratch Fever | 
| Epstein-Barr Virus | 
| Human Herpesvirus-8 | 
| Human Immunodeficiency Virus | 
| Post Vaccination | 
| Toxoplasmosis | 
| Whipple's disease | 
| Primary Immunodeficiency | 
| Ataxia Telangiectasia | 
| Autoimmune Lymphoproliferative Syndrome | 
| Burton's Agammaglobulinemia | 
| Common Variable Immunodeficiency | 
| Severe Combined Immunodeficiency | 
| Wiskott-Aldrich Syndrome | 
| X-linked Lymphoproliferative Disease | 
| Drug-Associated Lymphadenopathy | 
| Cabamazepine | 
| Dilantin | 
| Nonsteroidal Antiinflammatory | 
| Immunosuppressive Drugs | 
| Antithymocyte globulin — (EBV) | 
| Azathioprine — (EBV) | 
| Corticosteroids — (EBV) | 
| Cyclosporine — (EBV) | 
| Tacrolimus (FK506) — (EBV) | 
| Methotrexate — (EBV) | 
| Autoimmune | 
| Rheumatoid Arthritis | 
| Sjögren's Syndrome | 
| Systemic Lupus Erythematosus | 
| Unknown | 
| Castleman's Disease | 
| Kikuchi's Disease | 
| Rosai-Dorfman's Disease | 
| Abbreviation: EBV, Epstein-Barr virus associated |