The Use Of Bone Marrow Biopsy Needle

The bone marrow aspiration is usually done first. The doctor or nurse makes a small incision in the skin, then inserts a hollow needle through the bone and into the bone marrow.

Using a syringe attached to the needle, a sample of the liquid portion of the bone marrow is withdrawn. You may feel a brief sharp pain or stinging. The aspiration takes only a few minutes. Several samples may be taken.

The health care team checks the sample to make sure it's adequate. Rarely, fluid can't be withdrawn and the needle is moved for another attempt.

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