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: -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-3: -Lymphadenopathy is benign and self-limited in most patients. Etiologies include malignancy, infection, and autoimmune disorders, as well as medications and iatrogenic causes.

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

Detailed explanation-5: -Filariasis, Podoconiosis. Gorham’s Disease. Intestinal lymphangiectasia. Lymphangioleiomyomatosis (LAM) Lymphangiomatosis. Protein-losing Enteropathy (PLE)