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FAQ for bone marrow test

What is bone marrow?

Bone marrow is like thick blood and is found in the middle of some bones in your body. This marrow makes the new blood cells.

What is a bone marrow test?

A sample of bone marrow is removed through a needle and examined under a microscope. This is called a bone marrow aspiration. Some of the marrow may be sent away for further examination to help with your diagnosis.It is usually removed from the pelvic (hip) bone but may be removed from the chest bone. A small core of bone may need to be removed as well for examination. This is called a bone marrow trephine biopsy.

How long will the test take?

A bone marrow aspiration it will take about 10 minutes. A bone marrow trephine biopsy will take another 10 minutes.

There is no special preparation required before the test is done.

How will the test be done?

As the sample is taken from the pelvic bone you need to lie on your side. The doctor will clean the skin then numb the area by injecting some local anaesthetic under the skin. A needle is inserted into the bone. You will feel some pushing. A small amount of marrow is drawn out through the needle. You may feel a little discomfort at this point but it should only last for a few seconds. 
If you are to have a trephine biopsy this is also taken with a needle from the same area. Again you will feel pushing and may experience discomfort during this part of the procedure. You should leave the dressing on for 24 hours after the test.

You may experience a little bruising but this will fade in time. The site may bleed a little. If it will not stop bleeding or you are worried please contact us soon. 
You may experience some discomfort for a few days. Paracetamol(crocin) can be taken to relieve this. Please remember that no more than eight Paracetamol should be taken in any 24 hours.

If any further problem please donot hesitate to contact us.

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