Removing a bone marrow sampleĪn alternative method of collecting stem cells is to remove around a litre of bone marrow from your hip bone using a needle and syringe. It takes around 3 to 4 hours and may need to be repeated the next day if not enough cells are removed the first time. This procedure is not painful and is done while you're awake. Blood is removed from one arm and passed through a filter, before being returned to the body through the other arm. If there are enough cells, veins in each arm will be connected by tubes to a cell separator machine. On the 5th day, a blood test will be carried out to check there are enough circulating stem cells. To boost the number of stem cells in the blood, medicine that stimulates their production will be given for about 4 days beforehand. The most common way to harvest stem cells involves temporarily removing blood from the body, separating out the stem cells, and then returning the blood to the body. If this is not possible, stem cells from a donor's blood or bone marrow will usually be used. It may be possible to remove stem cells from your own blood or bone marrow and transplant them later after any damaged or cancerous cells have been removed. from cord blood – where donated blood from the placenta and umbilical cord of a newborn baby is used as the source of stem cells ( find out more about cord blood on the NHS Blood and Transplant website).from bone marrow – where a procedure is carried out to remove a sample of bone marrow from the hip bone.from blood – where the stem cells are removed from the blood using a special machine.There are 3 main ways stem cells can be harvested. Harvesting stem cellsĪfter you've had tests to check your general health, the stem cells that will be used for the transplant need to be removed and stored. It can show whether your cancer is under control (in remission) and whether there's a high risk of it returning after your transplant. This is where a small sample of cancerous cells is removed and analysed. If you have cancer, you may also need to have a biopsy.
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11/23/2023 03:50:25 pm
What Happens If the Transplant Does Not Hold, What are the Risks?
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