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Marrow is removed in the following steps:
If needed, you are given medicine to help you relax.
The provider cleans the skin and injects numbing medicine into the area and
surface of the bone.
A biopsy needle is inserted into the bone. The center of the needle is removed
and the hollowed needle is moved deeper into the bone. This captures a tiny sample,
or core, of bone marrow within the needle.
The sample and needle are removed.
Pressure and then a bandage are applied to the skin.
A bone marrow aspiration may also be done, usually before the biopsy is taken.
After the skin is numbed, the needle is inserted into the bone, and a syringe is
used to withdraw the liquid bone marrow. If this is done, the needle will be
removed and repositioned. Or, another needle may be used for the biopsy.
How to Prepare for the Test
How to Prepare for the Test
Tell the provider:
If you are allergic to any medicines
What medicines you are taking
If you have bleeding problems
If you are pregnant
How the Test will Feel
You will feel a sharp sting when the numbing medicine is injected. The biopsy
needle may also cause a brief, usually dull, pain. Since the inside of the bone
cannot be numbed, this test may cause some discomfort.
If a bone marrow aspiration is also done, you may feel a brief, sharp pain as the
bone marrow liquid is removed.
