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You have many lymph nodes in several places in your body. They help fight infection and disease. Cancer cells may travel to the lymph nodes. The sentinel lymph node(s) are the first lymph node(s) that cancer cells may spread to.
You are scheduled for a sentinel lymph node removal surgery. Your surgeon will remove the sentinel lymph node(s) to check if cancer has spread. You will have 1-3 sentinel lymph nodes removed.
Before Your Surgery
You will have a lymphoscintigraphy done. This test will trace the path of drainage from a tumor to the sentinel lymph node(s) to help the surgeon find the sentinel lymph nodes. You will have this test the same day or the day before your surgery.
You will be taken to Nuclear Medicine for this test. You will be awake for this test. You may have ice put on your skin to numb the skin around the tumor site. Then, you will receive an injection of a radioactive tracer. You will have images taken to trace the path of the radioactive tracer to the sentinel lymph nodes.
During the Surgery
The lymph node removal will be done in the operating room after the lymphoscintigraphy is done. Your surgeon may inject a blue dye around your cancer. This also helps to find the lymph nodes that need to be removed. The surgeon will remove the lymph nodes through an incision. Your incision will be closed with stitches that dissolve or need to be removed. You may also have surgical glue or tapes (steri-strips). You will have a bandage over the surgery incision.
After Your Surgery
You can remove your surgery bandage 24 hours after surgery. Leave the steri-strips on until your first clinic visit. It is okay if they falloff before your clinic visit.
Wait 24 hours before getting the surgery incision(s) wet.
Wash the incisions gently with soap and water and pat dry.
If you have steri-strips leave them in place. It is okay if they get wet in the shower.
Your urine may be blue green in color if a blue dye was used.
When to Call
Bleeding that soaks the gauze dressing in 10 minutes or less and keeps soaking dressings for 1 hour
Pain not relieved by pain medicine
Any signs of infection:
Warmth at the incision site
Fever over 100.5°F for 2readings, taken 4 hours apart
Who to Call
Weekdays, 8 am-5 pm
Afterhours, weekends and holidays, your call will be sent to the paging operator. Ask for the ENT doctor on call. Leave your name and phone number with area code. The doctor will call you back.
The toll-free number is 1-800-323-8942.
If you are a patient receiving care at UnityPoint – Meriter, Swedish American or a health system outside of UW Health, please use the phone numbers provided in your discharge instructions for any questions or concerns.