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Epidural (bone marrow extraction)

An epidural is an examination in which the doctor extracts bone marrow from the bone. Bone marrow is stored in the cavity of all the bones in the body. Red blood cells, white blood cells and platelets are produced in the bone marrow. An epidural (bone marrow extraction) may be necessary to make a diagnosis or to determine the effect of the treatment in the interim.


Because your child must lie still for this epidural and the procedure is painful, your child will be administered light anesthesia. The anesthesiologist will provide you with more information about this procedure.

The examination

We extract bone marrow from the large bones in the pelvis. This can be done at the front as well as at the back of the pelvis. For the procedure, a needle first punctures the skin and then the bone. Because this puncture is painful, it is performed under anesthesia, and your child will not feel anything. After the procedure, your child will receive a bandage on his/her hip or back. This examination lasts for approximately 45 minutes.


If the bone marrow extraction was difficult, your child's hips or back may feel quite sore, but paracetamol often provides sufficient relief. The bandage may be removed the day after the procedure, and your child may also begin showering or bathing the day after the procedure.