A sentinel lymph node is the first node or nodes that lymph, and therefore cancer cells, reach from a tumour. It is not a fixed anatomical node but is identified for each patient by tracer or dye.
| Location | Varies with the tumour site; most often in the axilla for breast cancer and the groin, axilla or neck for melanoma |
|---|---|
| Receives lymph from |
|
| Lymphatic drainage |
|
Acts as the first filter for lymph from a given area of tissue.
Sentinel node biopsy is standard for staging breast cancer and melanoma: if the sentinel node is free of cancer, the remaining nodes are very likely clear and full node removal can be avoided, which greatly reduces lymphoedema and shoulder problems.
Cancer found in the first draining node, guiding further surgery or treatment.
Swelling of the limb after lymph nodes are removed, less common with sentinel biopsy alone.
This website uses cookies to enhance your experience. Some are essential for site functionality, while others help us analyze and improve your usage experience. Please review your options and make your choice.
If you are under 16 years old, please ensure that you have received consent from your parent or guardian for any non-essential cookies.
Your privacy is important to us. You can adjust your cookie settings at any time. For more information about how we use data, please read our privacy policy. You may change your preferences at any time by clicking on the settings button below.
Note that if you choose to disable some types of cookies, it may impact your experience of the site and the services we are able to offer.
Some required resources have been blocked, which can affect third-party services and may cause the site to not function properly.
This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.
