![]() The node will be further assessed in more details as normal to ensure that nothing is missed.If the risk of disease in the lymph nodes is low, a frozen section will not be performed. The frozen section is about 80% accurate and further surgery may be required if the frozen section was negative at time of surgery. This will allow the surgeon to proceed onto an axillary clearance if necessary and avoid further surgery later. ![]() A frozen section may be performed on the sentinel node by sending it to the laboratory whilst the patient is asleep to determine if cancer cells are present. The skin around your lymph node is cleaned and a small incision is made. The sentinel lymph node can then be identified by the dual marking technique. During surgery, your doctor injects blue dye close to the cancer. The isotope is taken up by the same node that drains your cancer. Preoperatively the node will be marked using a radioactive isotope which is injected near the cancer or in the same quadrant. Sentinel lymph node biopsy is performed on an inpatient basis and is usually done as aday stay procedure if done on its own but may be done as an inpatient in combination with other cancer surgery. Sentinel lymph node biopsy is a procedure to remove the sentinel lymph node closest to the cancerous organ to examine it for malignancy. A sentinel lymph node is considered the first node that drains a primary cancer. They are part of the lymphatic system and are present in different parts of the body including the neck, armpits, behind the ears, chest, abdomen and groin. Lymph nodes are oval-shaped glands which contain cells that defend the body against foreign substances.
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