The purpose of bone marrow aspiration

It is to check the classified number and morphology of bone marrow cells, because bone marrow is the source of all hematopoietic cells. Changes in bone marrow cells mean that the cells in the blood will also change, and blood diseases can be diagnosed. When we eat big stick bones for you, we will find that there are many empty cavities in the bones, which are bone marrow. The most bone marrow in the human body is the sternum and iliac bone. Adults generally choose the posterior superior iliac spine (the position of the buttocks) because there are basically no blood vessels and nerves in this part, and the damage will be relatively small. Bone marrow puncture is firstly disinfected. After disinfection, a small needle is used for local anesthesia. After anesthesia, a special needle can be used for puncture and aspiration. According to the patient, there will be a sharp sense of soreness when the bone marrow is aspirated. After the puncture is completed, bandage, local pressure for 15-20 minutes, and then lie down for 15 minutes. Bone marrow aspiration can be performed in an outpatient clinic and does not require hospitalization.

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