The most common causes of<unk>  include infections, cancers, and connective tissue disorders.
The enlargement of the lymph nodes may be of infectious, bacterial, malignant, protozoan origin and may also be caused by live vaccines. Viral infections such as Epstein-Barr virus and cytomegalovirus cause infectious mononucleosis. Yersinia pestis causes swelling of the lymph node so large that it can be seen under the skin, which causes the bubonic plague. These lymph nodes can become necrotic and are called buboes. Cat-scratch disease, cutaneous anthrax, and tuberculous lymphadenitis are other bacterial infections. African sleeping sickness, Chagas' disease, and toxoplasmosis are protozoal infections. Neoplastic causes of<unk>  are primary and secondary. Hodgkin lymphoma and non-Hodgkin lymphoma give<unk>  in all or a few lymph nodes.  Secondary: metastasis, Virchow's Node, neuroblastoma, and chronic lymphocytic leukemia.  Autoimmune causes include systemic lupus erythematosus and rheumatoid arthritis may have generalized<unk> .
Lymphadenopathy causes
Sepsis causes
Noma causes
Cardiomyopathy causes
Endocarditis causes
Encephalopathy causes
Congenital heart disease causes
Non-Hodgkin lymphoma causes