A Bone Marrow Biopsy and Bone Marrow Aspiration, is a procedure to collect and test the more liquid material as well as the spongy material found inside your larger bones.

The Bone Marrow Aspiration collects the more liquid portion, while  a Bone Marrow Biopsy collects the more solid material.   Often these two procedures are performed at the same time.

In the case of Cold Agglutinin Disease this test is used to check to see if your bone marrow is making normal amounts of Red Blood Cells.

It can also be used for a variety of other reasons, including monitoring progression of a disease.

The test takes around 10 minutes.  Often done using a local anesthesia to numb tissue in the area.  For others that are anxious about pain, a sedative may be used that will require some recovery time.

A small incision is made and a needle is inserted through the bone to perform the Aspiration.

For the Bone Marrow Biopsy sample, a larger specially designed needle is used to retrieve a cylindrical  sample of the spongy marrow material.

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