Bone marrow aspiration is a procedure that takes out a small amount of bone marrow fluid through a needle. Bone marrow biopsy uses a needle to take out a small amount of bone with the marrow inside it. These samples are then checked under a microscope. The hip bone is the most commonly used area for these procedures.
Aspiration and biopsy are often done to find a blood problem or an infection. They also may be used to find out if a cancer has spread to the bone marrow.
Your child may get medicine to help him or her relax before the procedure. The doctor will inject numbing medicine in the skin over the bone. He or she will put a needle through your child's skin and into the bone to reach the bone marrow. Your child may feel pressure or some dull pain during the procedure. After the doctor takes the sample, he or she will remove the needle. The doctor may need to take more than one sample. This can come from the same spot or from a different area on your child's body. When the procedure is done, the doctor or a nurse will put pressure on the area to stop any bleeding.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
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Current as of: October 14, 2016
Adam Husney, MD - Family Medicine
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