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An axillary lymph node dissection (ALND) is surgery to remove lymph nodes from the armpit (underarm or axilla). The lymph nodes in the armpit are called axillary lymph nodes. An ALND is also called axillary dissection, axillary node dissection or axillary lymphadenectomy.
The lymph nodes are part of the lymphatic system. The lymphatic system helps fight infections and is made up of lymph vessels, lymph fluid, lymph nodes, bone marrow and the lymphatic organs (thymus, adenoid, tonsil and spleen).
Lymph vessels are very thin tubes similar to blood vessels. They collect and move lymph fluid away from tissues into the lymph nodes. Lymph nodes are small bean-shaped organs of lymphatic tissue. The lymph fluid can carry cancer cells from where the cancer started into the lymph nodes.
The axillary lymph nodes are divided into 3 levels:
Cancer cells usually spread to the level I lymph nodes first, to level II next and then to level III.
Lymph fluid from the breast, skin of the upper limbs and other nearby tissues drains into the axillary lymph nodes. The lymph fluid can carry cancer cells from these areas into the axillary lymph nodes. In the early stages, you cannot usually feel the cancer in the axillary lymph nodes. In more advanced stages of cancer, you may feel a lump in the armpit as the axillary lymph nodes get bigger.
The most common type of cancer that spreads to the axillary lymph nodes is breast cancer. Other cancers that may spread to the axillary lymph nodes are skin cancers, such as melanoma or non-melanoma. Some types of cancer start in the axillary lymph nodes.
An axillary lymph node dissection is done to:
An ALND is done under general anestheticanestheticA drug that causes anesthesia (the loss of some or all feeling or awareness). in a hospital operating room. It may be done at the same time as surgery for the primary cancer (such as during surgery to treat breast cancer).
The surgeon makes a cut (incision) under the arm and removes 10–40 lymph nodes from level I and level II. Level III lymph nodes are not usually removed because this does not improve survival and it increases the chances of side effects. But level III lymph nodes may be removed if the cancer has spread to the lymph nodes and formed a lump in the armpit or if bigger nodes are seen on imaging tests (such as an ultrasound, a CT scan or an MRI).
The lymph nodes and any other tissue removed during surgery are sent to a lab to be examined by a doctor who specializes in the causes and nature of disease (a pathologist).
After removing the lymph nodes, the surgeon places a small tube (drain) and closes the cut with stitches or staples. A drainage bag is attached to the end of the tube to collect fluid draining from the area. This reduces the chance of fluid building up and improves healing. The drain is left in place for a few weeks or until there is little drainage.
People who have an ALND are usually sent home 1–2 days after surgery. You may be given:
Side effects can happen any time during, immediately after or a few days or weeks after an ALND. Sometimes late side effects develop months or years after an ALND. Most side effects go away on their own or can be treated, but some may last a long time or become permanent.
Tell the healthcare team if you have these side effects or others you think may be from an ALND:
The healthcare team may give you antibiotics to prevent or treat an infection, or they may drain a buildup of fluid.
Swelling may be due to a buildup of lymph fluid in the soft tissues (called lymphedema). Lymphedema can happen any time after lymph nodes are removed, but it is more common with an ALND. The chance of developing lymphedema increases with the number of lymph nodes removed and if radiation is given after an ALND. About 1 in 5 people get mild lymphedema after an ALND. A small percentage of people may get severe lymphedema. Lymphedema treatment may include massage therapy, compression garments and exercises.
Each lymph node removed is examined to see if it contains cancer.
The pathologist’s report includes the type of cancer, the number of lymph nodes removed and the number of lymph nodes that have cancer cells. The report may also say if the cancer has grown through the outer covering of the lymph node (the capsule).
Doctors use the number of positive lymph nodes to help stagestageA description of the extent of cancer in the body, including the size of the tumour, whether there are cancer cells in the lymph nodes and whether the disease has spread from its original site to other parts of the body. the cancer. They use the stage along with other information about the type and grade of the cancer to make treatment decisions and give a prognosisprognosis1. The expected outcome or course of a disease. 2. The chance of recovery or recurrence..
Depending on the result, your doctor will decide if you need more tests, any treatment or follow-up care.
In rare cases, an ALND may be done in children to stage or treat some cancers, such as childhood breast cancer or rhabdomyosarcoma.
Preparing children before a test or procedure can lower anxiety, increase cooperation and help them develop coping skills. Preparation includes explaining to children what will happen during the test, including what they will see, feel, hear, taste or smell.
Preparing a child for an ALND depends on the age and experience of the child. Find out more about helping your child cope with tests and treatments.