IMMUNOLOGY

Detailed explanation-1: -Malignant diseases like lymphoma, leukemia, metastatic cancer, and head and neck cancers are also common causes of lymphadenopathy. Lymphoproliferative disorders such as hemophagocytic lymphohistiocytosis can also manifest with the enlargement of lymph nodes.

Detailed explanation-2: -The most common lymphatic disease is lymphedema. It is swelling of a body part caused by a lymphatic fluid buildup in the tissues. Lymphedema most often occurs in the arms and legs, but it can also affect the head, chest, breast, abdomen, and genitals.

Detailed explanation-3: -Causes of generalized lymphadenopathy include infections, autoimmune diseases, malignancies, histiocytoses, storage diseases, benign hyperplasia, and drug reactions. Generalized lymphadenopathy is most often associated with systemic viral infections.

Detailed explanation-4: -Autoimmune diseases (like lupus or rheumatoid arthritis). Toxoplasmosis. Sexually transmitted infections (like HIV or syphilis). Bacterial infections (like Lyme disease or typhoid fever). Viral infections (like measles or Epstein-Barr). Cancers (like lymphoma or leukemia). 17-May-2022