Archived: This summary is based on a report that is greater than 3 years old. Findings should not be considered current. This is a summary of a systematic review update evaluating the current evidence regarding the comparative effectiveness of core-needle biopsy and open surgical biopsy for diagnosing breast lesions. The systematic review summarizes the accuracy and possible harms of various core-needle biopsy methods. It does not discuss fine-needle aspiration. The systematic review included clinical studies published through December 16,
Skip to Content. A biopsy is the removal of a small amount of tissue. It is an important way doctors diagnose many different types of cancer.
A breast biopsy is a test that removes tissue or sometimes fluid from the suspicious area. The removed cells are examined under a microscope and further tested to check for the presence of breast cancer. A biopsy is the only diagnostic procedure that can definitely determine if the suspicious area is cancerous.