A Bone Marrow Aspiration And Biopsy Usually Takes About 30 Minutes

A bone marrow aspiration and biopsy usually takes about 30 minutes.

Your child may be asked to change into a cloth gown, and then will be positioned on an exam table on the stomach or side, and the skin will be cleaned with a special antiseptic soap. This sterilizes the skin.

If your child is sedated, the vital signs (heart rate, blood pressure, temperature, and blood oxygen level) will be monitored during the procedure. Your child may have a blood pressure cuff around the upper arm and a small fingertip clip to monitor the blood oxygen level.

A small amount of anesthetic medicine will be injected through the numb spot on the skin to prevent pain as the bone marrow needle is inserted through the skin and soft tissues.

For the bone marrow aspiration, the doctor or nurse will carefully insert a needle into the biopsy site and will then attach a syringe to draw out a sample of fluid from inside the bone.

For the biopsy, a different kind of needle will be inserted into the same area to remove a small sample of bone. A bandage will then be applied to the biopsy site.

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