![]() ![]() They are categorised a station 1 nodes International Association for the Study of Lung Cancer (IASLC) in the classification of thoracic lymph node stations. Troisier sign is the name given to left-sided supraclavicular lymphadenopathy, highly suggestive of abdominal malignancy. Some malignancies such as lung, head and neck, breast, oesophageal, gastric, pancreatic, gynaecologic, and prostate cancers have a propensity to metastasise to supraclavicular lymph nodes. It is adjacent to the junction where incoming lymph is introduced back into the venous circulation through the left subclavian vein. One of the left supraclavicular lymph nodes, known as the Virchow node, drains the thoracic duct, abdomen, and thorax. Specific to the right supraclavicular lymph node is the drainage of the mid-section of the chest, oesophagus and lungs. They oversee the transport of lymph from the thoracic cavity and abdomen. It is the final common pathway of the lymphatic system as it joins the central venous system. Rarely, a medication can cause the problem. More serious medical problems such as HIV infection, lymphomas (non-Hodgkin’s lymphoma) or other cancers, or lupus may cause swollen lymph glands. The supraclavicular lymph nodes (often shortened to the supraclavicular nodes) are a paired group of lymph nodes located on each side in the hollow superior to the clavicle, close to the sternoclavicular joint. A wide variety of infections are the most common causes of swelling of the lymph nodes, for example, strep throat, ear infections, and mononucleosis. ![]()
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