The lymphatic system, made up of lymphoid tissues known as nodes and vessels, is part of the human immune system. It is involved in protecting the body against infection, by delivering immune cells, ...

At this point in the pandemic, you’re fairly familiar with the laundry list of possible COVID-19 symptoms, including a fever, chills, body aches, a dry cough, shortness of breath, and a loss of taste ...

Epstein-Barr virus (EBV) infection is a recognized risk factor that is now regarded as a prerequisite for the development of multiple sclerosis (MS). Recently, significant advances have been made in ...

—Researchers in Finland concluded that deep cervical lymph node diameter is feasible as a biomarker for multiple sclerosis disease course. An accessible biomarker that tracks disease activity and ...

Usually, swollen chest lymph nodes are too deep in the chest for a person to feel them. Any swollen lymph nodes in the chest appear on imaging scans. Swelling can indicate an underlying condition.

Lymph node metastasis occurs in "metastatic" lymph nodes, lymph nodes that have been infected by cancer from elsewhere in the body. A part of the immune system, lymph nodes are tiny ovals placed ...

Swollen lymph nodes are often a sign that your body is fighting an infection. Autoimmune diseases can also cause lymph nodes ...