Enlarged lymph nodes can also be an important symptom of sarcoidosis. Lymph nodes are unique structures that are found in various regions of the body. Along with the lymphatic vessels, they play an important role in the immune system. So, lymph nodes have a defensive role in the human body. They swell and enlarge in case of an emergency.
Patients are able to see and feel it. Bacterial and viral infections commonly cause enlarged lymph nodes, but sarcoidosis may present this symptom, so something to remember. In fact, the lymph nodes are so much related to sarcoidosis that their enlargement may be the first symptom. Lymphocytes and macrophages are seen in the lymph nodes in sarcoidosis. The disease primarily involves lymph nodes in the hilar area of the lungs.
