Lymph nodes do not usually go away on their own. Lymph nodes are usually caused by infectious diseases, reactive hyperplasia, tumors, and so on.
1. Infectious diseases: For example, lymph nodes formed by primary diseases, bacterial, viral or tuberculosis infections. The lymph nodes can be gradually reduced or even disappear after active treatment of the primary disease.
2. Reactive hyperplasia: For example, cystic hyperplasia of the breast leads to obstruction of lymphatic return to the breast, resulting in the formation of reactive lymph nodes; or connective tissue diseases, such as systemic lupus erythematosus, may also lead to reactive hyperplasia of some lymph nodes. After comprehensive treatment for primary diseases such as cystic breast hyperplasia and connective tissue diseases, the reactive lymph nodes will shrink or even disappear.
3. Tumor: For example, malignant lesions such as lymphoma, lymphoblastic leukemia, gastric cancer, breast cancer, thyroid cancer and so on, there may be painless enlargement of lymph nodes in which the tumor cells are metastasized to the surrounding of the tumor or even to distant places through the lymphatic system. Radical surgical resection with postoperative chemotherapy and radiotherapy is required for cure.
Patients suffering from lymph nodes must be treated promptly under the guidance of a doctor to clarify the cause of the disease.