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Doctor insights on: What Is The Difference Between A Regular Node Biopsy And A Sentinel Node Biopsy

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What is the difference between a regular node biopsy and a sentinel node biopsy?

What is the difference between a regular node biopsy and a sentinel node biopsy?

Little difference.: Think of a lymph node as a small filter. All lymph nodes act as filters. However, certain lymph nodes are the very first filters in line- they are called sentinel lymph nodes. The idea is that if the sentinel node is removed and negative, the chances of other lymph nodes further down the line being positive is small. You take out less nodes and have less complications! ...Read more

Dr. Arthur Balin
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Biopsy (Definition)

Biopsy is tissue removed by needle or cutting to remove part of a body part. It is usually a small amount of material that is processed by a pathologist. Most of the time it is stained and looked at through a microscope to arrive at a diagnosis. Special processes are done for some tissues or problems. The purpose is to tell what the problem is (diagnosis). ...Read more


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What is the difference between a needle directed biopsy and a sentinel node biopsy?

Size: A needle-directed biopsy means a hollow needle is stuck into a tumor or lymph node, and only the amount of tissue that fits inside the needle is removed. A sentinel node biopsy removes several lymph nodes entirely and the entire lymph node is examined under the microscope. A sentinel node biopsy requires an injection ahead of time to see which nodes are first in the chain of lymph nodes. ...Read more

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What is a sentinel node biopsy procedure?

Sentinel node: Injecting a dye, it initially goes to mother nodes or sentinel nodes and from there nurse to whole node basin. Biopsy of these mother nodes save to biopsy or removing whole nodal areas if sentinel node negative. ...Read more

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What is a sentinel node biopsy?

What is  a sentinel node biopsy?

Biopsy of lymph node: Lymph nodes are biopsied to see if cancer has spread beyond the primary site. Using a radioactive tracer and dye, the lymph nodes closest to a tumor can be identified and biopsied without having to remove all the potential draining nodes which can lead to complications. Most often done with breast cancer and melanoma. ...Read more

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What is the definition or description of: sentinel node biopsy?

What is the definition or description of: sentinel node biopsy?

Sample lymph nodes: This is a surgical procedure used to evaluate the lymph nodes under the arm. A radioactive tracer and/or blue dye is injected into the breast prior to surgery. These substances travel to the lymph nodes so the surgeon can see them. He/she takes out one to four (on average) lymph nodes to see if cancer has spread. The benefit is a decrease in risk of lymphedema of the arm. ...Read more

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Should axillary sentinel node biopsy be done after chemotherapy?

Should axillary sentinel node biopsy be done after chemotherapy?

Usually before.: Sentinel lymph node biopsy is usually done at the time of lumpectomy for breast cancer. The information gained is used in the decision making as to whether adjuvant chemotherapy should be given to increase the likelihood of cure. Rarely, it might be done after chemotherapy if the initial role of chemo was to shrink the tumor to allow surgery (neoadjuvant chemotherapy). ...Read more

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Where is the lymph node located that is sentinel node?

Where is the lymph node located that is sentinel node?

Depends: The sentinel node is not a specific node but rather the node that first receives drainage from a cancer. Surgeons find it by injecting a tracer near the cancer and then seeing which node first takes up the tracer. The location depends on where the tumor is. Sentinel lymph node biopsy is a procedure done by surgical oncologists for breast cancer, melanoma and some other cancers. ...Read more

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What is the risk of lymphedema if only the sentinel node was removed during mastectomy?

What is the risk of lymphedema if only the sentinel node was removed during mastectomy?

With a...: mastectomy alone there will be a risk of lymphedema, with removal of a sentinel lymph node that risk goes up slightly (in my opinion probably negligible). So it's the mastectomy itself that increased your risk. Follow-up with your docs to detect it early. Remember post-op it will be normal to have some swelling. Hope that helped. ...Read more

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Has anyone had their sentinel node out for breast cancer?

Has anyone had their sentinel node out for breast cancer?

Standard staging: The staging of invasive breast cancer almost always involves assessing the axillary nodes as the most likely 1st place cancer cells can be found outside he breast. Today this is dine via sentinel node mapping/bx to identify, remove, and test the first nod in the chain that will predict the status of the rest. On average just over 2nodes-procedure are removed. ...Read more

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Sentinel Node Biopsy (Definition)

It is first node to which lymphatic drainage and metastasis from a cancer goes to. A biopsy is a procedure that removes a small piece of living tissue from your body. The tissue is examined with a microscope for signs of damage or disease. Biopsies can be done on all parts of the body. A biopsy is the only test that can tell for sure if a ...Read more