Once your doctor has diagnosed your breast cancer, he or she works to establish the extent (stage) of your cancer. Other tests and procedures may be used depending on your situation. Unlike other types of imaging tests, an MRI doesn't use radiation to create the images. Before a breast MRI, you receive an injection of dye.

An MRI machine uses a magnet and radio waves to create pictures of the interior of your breast. Breast magnetic resonance imaging (MRI).A biopsy sample is also analyzed to determine the type of cells involved in the breast cancer, the aggressiveness (grade) of the cancer, and whether the cancer cells have hormone receptors or other receptors that may influence your treatment options. Often, a small metal marker is left at the site within your breast so the area can be easily identified on future imaging tests.īiopsy samples are sent to a laboratory for analysis where experts determine whether the cells are cancerous. During a biopsy, your doctor uses a specialized needle device guided by X-ray or another imaging test to extract a core of tissue from the suspicious area. A biopsy is the only definitive way to make a diagnosis of breast cancer. Removing a sample of breast cells for testing (biopsy). Ultrasound may be used to determine whether a new breast lump is a solid mass or a fluid-filled cyst. Ultrasound uses sound waves to produce images of structures deep within the body. If an abnormality is detected on a screening mammogram, your doctor may recommend a diagnostic mammogram to further evaluate that abnormality. Mammograms are commonly used to screen for breast cancer. Your doctor will check both of your breasts and lymph nodes in your armpit, feeling for any lumps or other abnormalities. Tests and procedures used to diagnose breast cancer include: The table slides into the large opening of the MRI machine. Your breasts fit into a hollow depression in the table, which contains coils that detect magnetic signals. During a breast MRI, you lie on your stomach on a padded scanning table.

Cancerous lymph nodes in armpit