Lymphadenopathy - Differential Diagnosis Algorithm Localized: • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head / Neck scc, Melanoma • Axillary: Infection (Cat scratch, Tularemia), Breast Cancer • Supraclavicular: Virchow's Node, Thoracic or Abdominal cancer, Thyroid / larynx disease, Tuberculosis • Inguinal: Sexually transmitted infections (STl) Generalized: • Auto-immune: Dermatomyositis, Rheumatoid Arthritis, Sjögren's • Infection: Acute HIV, EBV, Mycobacterial - disseminated tuberculosis • Malignant: Lymphoma, Angioimmunoblastic T-cell lymphoma • Miscellaneous: Castleman's, Sarcoidosis • Medications: Allopurinol, Beta-Blockers, Anti-epileptic drugs (AEDs) #Lymphadenopathy #Differential #Diagnosis #Algorithm #Causes
