Updated 2/14/2025

MRI-guided biopsy/aspiration

An MRI-guided biopsy or aspiration is a procedure that uses MRI imaging to help doctors take a small sample of tissue or fluid from a specific area in the body. This sample is then examined to diagnose or rule out medical conditions.

Purpose

This procedure is performed to obtain tissue samples from suspicious areas that may indicate disease, such as cancer. It helps doctors make accurate diagnoses and determine the best treatment options.

Risks, Benefits, and Alternatives
  • Provides precise targeting of the area of interest, improving the accuracy of the biopsy.
  • Minimally invasive compared to traditional surgical biopsies, leading to less recovery time.
  • Allows for real-time imaging, which can enhance the safety and effectiveness of the procedure.
Procedure Details

Preparation

  • You may be asked to avoid eating or drinking for a few hours before the procedure.
  • Inform your doctor about any medications you are taking, as some may need to be adjusted.
  • Wear comfortable clothing and avoid jewelry or metal accessories that could interfere with the MRI.

Process

  1. You will lie on the MRI table, and the area of interest will be positioned within the MRI machine.
  2. The MRI will be performed to locate the area for biopsy and guide the procedure.
  3. A local anesthetic will be administered to numb the area where the biopsy will be taken.
  4. A thin needle will be inserted into the targeted area to collect the tissue or fluid sample.
  5. The sample will be sent to a laboratory for analysis, and the procedure will be completed.

Recovery

  • You may be monitored for a short time after the procedure to ensure there are no immediate complications.
  • Mild discomfort or bruising at the biopsy site is common but should improve within a few days.
  • Follow your doctor's instructions regarding activity levels and care for the biopsy site.

Duration

The procedure typically takes about 30 to 60 minutes.

Anesthesia

Local anesthesia is used during the procedure.

Cost Information

The cost of an MRI-guided biopsy can vary widely based on location and insurance coverage. It is advisable to check with your healthcare provider and insurance company for specific pricing details.

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