Central Maine Medical Center
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300 Main Street, Lewiston, ME 04240 | 207-795-0111
Women's Health - For everyday in a woman's life...

Breast Biopsy Services

Comprehensive Breast Biopsy Services Offered at The Sam & Jennie Bennett Breast Care Center

The following procedures are performed at CMMC and the Bennett Breast Cancer Center:

Breast Cyst Aspiration is a simple procedure of removing fluid from a cyst, using a fine needle. A cyst is a fluid-filled, non-malignant growth. Most cysts are not aspirated, as they often disappear over time. A cyst may be aspirated if it is painful or large.
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Fine needle aspiration is a procedure similar to cyst aspiration, but is performed on small, superficial breast tumors. (Unlike a cyst, a tumor is a solid mass.) A very fine needle is inserted into the tumor to withdraw breast cells, which are sent to the pathology lab for analysis.
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A core needle biopsy is performed on larger/deeper tumors. It is minimally invasive, and removes tissue for testing.
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Stereotactic needle biopsy is a minimally invasive, sophisticated technique for extremely small lumps or calcium deposits that cannot be felt but are detected on mammography. This procedure combines mammography and computer technology to locate and withdraw cells for analysis.
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Needle Localization is the insertion of a special needle into a breast lump, to guide a surgeon performing a biopsy. Surgical biopsies are sometimes needed for small lumps that are detected by mammography but cannot be felt.
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Sentinel Node Biopsy: As part of breast cancer treatment, it may be necessary to check lymph nodes for cancer. Sentinel nodes are the lymph nodes closest to the breast; they are removed during surgery and sent to pathology for analysis.
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Ductal Lavage is a screening test for women who may be at high risk for cancer, because of medical and/or family history. This is a minimally invasive procedure that involves collecting samples from the milk ducts. Results reveal whether atypical cells are present. You can discuss this procedure with your primary care physician during your annual exam.
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