There are many causes of enlarged lymph nodes, including infection, tumor, reactive hyperplasia and so on, and the specific manifestations due to different causes are different.
1. Infection: Infection is the most common cause of enlarged lymph nodes, which is manifested as lymphadenitis, which is characterized by enlarged lymph nodes, accompanied by pain and tenderness, and the edges of enlarged lymph nodes are smooth and can be pushed.
2. Tumor-related: lymph node primary tumor (lymphoma) or malignant tumor metastasis to the lymph nodes, the enlarged lymph nodes are poorly movable, tough, unclear boundary, no pressure pain, no inflammatory manifestations such as redness, swelling and pain.
3. Reactive hyperplasia: caused by immune response diseases and rheumatic diseases, manifested by enlarged lymph nodes, smooth, with or without pain, and clear boundaries.
If you find that the lymph nodes are enlarged, you should consult a doctor in time, improve the examination, clarify the specific cause of the disease, and take targeted treatment.