GENERAL HISTOLOGY

Detailed explanation-1: -Lymphadenopathy refers to the swelling of lymph nodes which can be secondary to bacterial, viral, or fungal infections, autoimmune disease, and malignancy.

Detailed explanation-2: -Lymphadenitis may occur after skin infections or other infections caused by bacteria such as streptococcus or staphylococcus. Sometimes, it is caused by rare infections such as tuberculosis or cat scratch disease (bartonella).

Detailed explanation-3: -Chronic lymphadenitis is when one or more lymph nodes are infected or inflamed for a long time. Lymph nodes help the body get rid of bacteria and viruses. They are found in the neck, armpits, and groin. Swollen Lymph Nodes.