penn surgery
penn surgery home penn surgery clinical penn surgery education penn surgery research penn surgery administration
EOS home page
Health Information
Division of
Endocrine and Oncologic Surgery
Sentinel Lymph Node Mapping and Biopsy

Sentinel Lymph Node Mapping and Biopsy is an outpatient procedure in which a few lymph nodes under the arm (axilla) or in the groin, on the side of the breast cancer or other cancers, are removed. On the day of surgery, two different dyes are injected into the affected part of the body (ie. breast) to map out which lymph nodes first drain the tumor site. These are the sentinel lymph nodes. On average, one or two lymph nodes are sentinel to each tumor. These are removed and will be tested to see if there are any cancer cells. It is important to remember that the dye going into the lymph nodes does not mean they have cancer in them, but it does mean they are the correct lymph nodes to test. If the sentinel lymph nodes are negative (meaning no cancer is seen) then no further lymph node surgery is needed. If cancer cells are found in a sentinel node(s), then an axillary lymph node dissection will be recommended.

Inpatient Facilities:
Hospital University of Pennsylvania (HUP)
Pennsylvania Hospital (PAH)
Chester County Hospital

Office Visit Locations:
Perelman Center for Advanced Medicine, West Pavilion, 4th Floor
Rena Rowan Breast Center, Abramson Cancer Center
Perelman Center for Advanced Medicine, West Pavilion, 3rd Floor
Chester County Hospitalm, Building D, Suite 503

Making an Office Visit Appointment:
215-615-5858 or 800-789-PENN
Doug Fraker
Dr. Fraker
David Anderson, MD
Dr. Anderson
no photo
S. Chang
Ron DeMatteo
L. De La Cruz
Dr. Douglas Fraker
Dr. Fraker
Dr.Giorgos Karakousis
Dr. Karakousis
Dr. Robert Roses
Dr. Roses
Dr. Dahlia Sataloff
Dr. Sataloff
Dr. Julia Tchou
Dr. Tchou

footer Terms of Use Legal Disclaimer Site Map Contact Us Financial Assistance About Penn Medicine Privacy Statement

penn medicine