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Breast Biopsy - Sentinel Node Biopsy Baltimore MD

Sentinel node biopsy is a less invasive procedure and carries a lower risk of complications than axillary node dissection. The sentinel node is the first lymph node that filters fluid from the breast. Many cancer experts believe that malignant cells reach the sentinel node first and that this lymph node is more likely to contain cancer cells.

Kristian A Ulloa
(410) 328-4089
22 S Greene St
Baltimore, MD
Lenox Sylvester Dingle, MD
410-783-8800
301 Saint Paul St Ste 420
Baltimore, MD
Samuel Alaish
(410) 328-6897
22 S Greene St
Baltimore, MD
Carnell Cooper, MD
410-328-5830
22 S Greene St
Baltimore, MD
Dr.David Nasrallah
(410) 321-8720
3333 North Calvert Street
Baltimore, MD
Harold Edward Ramsey, MD
410-523-5222
301 McMechen St
Baltimore, MD
Paul Bernard Chretien, MD
301-493-6160
Baltimore, MD
Arnold Lee Dellon
(410) 366-9825
3333 N Calvert St Ste 370
Baltimore, MD
Richard N Pierson
(410) 328-6897
22 S Greene St
Baltimore, MD
Debashish Bose, MD
655 W Baltimore St
Baltimore, MD
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Breast Biopsy - Sentinel Node Biopsy

Sentinel node biopsy is a less invasive procedure and carries a lower risk of complications than axillary node dissection. The sentinel node is the first lymph node that filters fluid from the breast. Many cancer experts believe that malignant cells reach the sentinel node first and that this lymph node is more likely to contain cancer cells.

Based on this assumption, the node most likely to contain malignant cells should be removed and analyzed. If the sentinel is free of cancer cells, then it is highly unlikely that the other nodes are positive. This technique, combined with lumpectomy, is easily performed as an outpatient procedure and causes less pain and deformity than an axillary node dissection.

Surgical Procedure

Sentinel node biopsy involves injecting a radioactive tracer and/or blue dye into and around the tumor. In some cases, a numbing medication (local anesthesia) or a sedative is administered prior to the tracer injection. When anesthesia is not used, patients may experience a burning sensation during the injection. With a small, hand-held Geiger counter, the surgeon tracks the path the tracer takes as it travels away from the breast and under the arm to the first lymph node. Once located, the sentinel node is removed through a small incision and sent to the laboratory for diagnosis.

If the results are negative, it is assumed that the cancer has not spread and there is no need for further surgery. If the sentinel node is positive, the surgeon may perform an axillary node dissection to assess how many other lymph nodes are affected.

Preoperative Procedures

The anesthesiologist must make sure that the patient does not have a history of allergy to the radioactive tracer or blue dye that is injected into and around the tumor.

Postoperative Care

Because sentinel node biopsy removes fewer lymph nodes than axillary lymph node dissection, many patients have no side effec...

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