GENERAL HISTOLOGY

Detailed explanation-1: -Enlarged lymph nodes are commonly found in children. Lymphadenopathy might be caused by proliferation of cells intrinsic to the node, such as lymphocytes, plasma cells, monocytes or histiocytes or by infiltration of cells extrinsic to the node, such as neutrophils and malignant cells.

Detailed explanation-2: -General swelling of lymph nodes throughout your body. When this occurs, it may indicate an infection, such as HIV or mononucleosis, or an immune system disorder, such as lupus or rheumatoid arthritis. Hard, fixed, rapidly growing nodes, indicating a possible cancer or lymphoma.

Detailed explanation-3: -The spleen can become swollen after an infection or injury. It can also become enlarged as a result of a disease such as cirrhosis, leukaemia or rheumatoid arthritis.

Detailed explanation-4: -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.