Alliance Healthcare Radiology

MRI Breast Biopsy

MRI Breast Biopsy

An MRI breast biopsy is an outpatient procedure. Less invasive than a surgical biopsy, MRI breast biopsy uses a local anesthetic to numb the biopsy site. You can return to most normal daily activities the same day.

If you take aspirin or a blood thinner, your physician may advise you to stop three days before the biopsy. You may want a relative or friend to drive you home from your procedure.

Patient Checklist

Prior to your MRI breast biopsy, review the following checklist:

  • Bring previous mammograms or ultrasound images to the exam.
  • You can eat and drink prior to the exam.
  • Continue to take any medication you normally take.
  • You CANNOT have an MRI biopsy if you have:
    • Certain cerebral aneurism clips
    • Certain heart valves
    • Cochlear implants
    • Metal filings in the eye
    • Certain pacemakers or defibrillators
  • If you may be claustrophobic, ask your doctor to prescribe a mild sedative prior to the exam. If you do receive medication, bring someone with you to drive you home.

During the biopsy, the affected breast(s) are positioned in a cushioned area and lightly compressed. MR imaging guides a needle to the correct location to remove some breast tissue. A marker clip may be placed in the area of interest. If placed, a mammogram may be performed afterward to confirm that the marker clip is positioned properly.

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Alliance Radiology is the largest provider of advanced imaging services in the US.

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