![]() ![]() Sentinel Lymph Node Biopsy (SLNB) is used to determine if melanoma has spread from its initial, or primary site.Ī negative SLNB result suggests that your melanoma has not spread from the skin to nearby lymph nodes or other organs. Sentinel lymph nodes are the lymph nodes closest to your tumor and first nodes that cancer is likely to have reached. Many cancers – including melanoma – use the lymphatic system of nodes and vessels to spread. Lymph nodes are also used to determine if cancer has metastasized, or spread, from its initial site. This is why your lymph nodes may swell when you aren’t feeling well.Ĭentralized groups of lymph nodes are found in the neck, underarms, chest, abdomen, and groin. If detected, these cells will activate an immune response. White blood cells protect against foreign substances such as viruses and bacteria. Lymph nodes contain white blood cells that help the body fight infection. The lymphatic vessels are a lot like veins that collect and carry blood throughout the body. Lymph nodes are connected to each other throughout the body by lymphatic vessels – or tubes. Lymph nodes play a crucial role in filtering and monitoring the lymphatic fluid, which carries waste products, pathogens, and immune cells. Lymph nodes are small organs that play an important role in the body’s immune system. This, in turn, will give you additional information to inform future treatment decisions. SLNB is an important tool to help your doctor determine the stage or extent, of your melanoma. A Sentinel Lymph Node Biopsy (SLNB) is a surgical procedure used to help determine if melanoma – or other types other cancers – have spread beyond their site of origin.
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