if bacteria enter a wound and are not ingested by the white cells of the blood or lymph,they will be carried in the lymph to a lymph node and white cells there will ingest them
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Lymph nodes filter lymph fluid to remove foreign particles, such as bacteria or viruses, and also produce immune cells to help fight infections. They contain a network of lymphocytes and macrophages that detect and respond to pathogens to prevent them from spreading throughout the body.
Lymph nodes can produce and contain lymph fluid, but they do not typically leak fluid. If a lymph node is damaged or infected, it may become enlarged or tender, but leakage of lymphatic fluid from a lymph node is not a common occurrence.
The CPT code for superficial needle biopsy of inguinal lymph node is 38505.
A precarinal lymph node is a lymph node located near the tracheal bifurcation in the chest. It plays a role in filtering and trapping potentially harmful substances, such as cancer cells or bacteria, that may be present in the lymphatic system. Surgical removal or biopsy of precarinal lymph nodes may be necessary in the evaluation and treatment of certain diseases, such as lung cancer.
Lymph node reactive changes only means that there are no signs of malignancy or cancer in the lymph nodes. The changes seen in the lymph nodes are likely due to a response to an infection or inflammation in the body. Further evaluation may be needed to determine the underlying cause of the reactive changes.
Mediastinal lymphadenopathy refers to enlarged lymph nodes in the mediastinum area of the chest. Lymphadenopathy of the lymph node of the subcarinal region specifically involves enlargement of lymph nodes located beneath the carina, which is the point where the trachea divides into the left and right bronchi. It can be caused by various conditions such as infections, inflammation, or malignancies in the chest cavity.