Stereotactic Breast Biopsy for Breast Cancer Diagnosis

Stereotactic Breast Biopsy, also known as Stereotactic core needle biopsy is a non-surgical biopsy procedure that is performed when a mammogram shows breast abnormality such as area of abnormal tissue change or a suspicious solid mass or a distortion in the structure of the breast tissue.

In Stereotactic Breast Biopsy, a small sample of tissue is taken as a sample to find out if it is cancer. Around 15 – 20 per cent of breast lesions prove to be cancer.

In stereo imaging, two dimensional digital images of the breast are taken from different angles. This information is used to guide the biopsy needle. The radiologist inserts the needle and advances it to the location of the abnormality using the x-ray and digital images. This is considered to be a good alternative to surgical biopsy.

During the procedure, a local anesthetic is given so that the patient does not feel any pain. A small cut is made in the breast skin so that the needle can enter the breast. Further images are taken during the procedure to confirm that the needle is in the right place. Using special blades or suction, tissue or fluid will be collected for examination.

This procedure is less invasive as compared to surgical biopsy and can be performed in less than an hour. Stereotactic Biopsy gives most accurate results as compared to other methods such as freehand needle aspiration or an ultrasound-guided needle biopsy. This procedure provides an accurate diagnosis with minimal effect on the breast.


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