Bone marrow aspiration isn't a spinal tap and doesn't make us stupid

Here, we solemnly reiterate: Certainly not.

Bone marrow, spinal cord, although only one word apart, are completely different things. Bone marrow, a hematopoietic tissue, mainly produces the red blood cells, white blood cells and platelets in our blood, which are buried deep in the bones. The spinal cord is part of the central nervous system and is closely guarded by the spine.

Bone marrow puncture is the use of a puncture needle to pierce the bone marrow cavity through some specific parts of the body surface to extract a small amount of bone marrow tissue for examination to find out whether there are lesions in the hematopoietic system itself, such as leukemia, lymphoma, aplastic anemia, myelodysplastic syndrome, etc. , or whether other lesions invade the bone marrow, such as tumor metastasis, parasites or other rare infections.

The most common site for bone marrow puncture is the posterior superior iliac spine. When we pinch the waist, a hard bony protrusion can be felt near the end of the finger, which is the posterior superior iliac spine. This part is close to the body surface and is easy to obtain materials. At the same time, since there are no important organs, blood vessels and nerves nearby, the operation is the safest. Therefore, doing bone piercing has nothing to do with the spinal cord at all, and of course it is impossible to become stupid.

The bone marrow aspirate may be a little painful and we use a small amount of local anesthetic. After the puncture, you only need to press the puncture site for a few minutes to get out of bed, and you can come and go freely. It is best not to touch the puncture site with water within three days. If there are signs of infection such as redness and swelling of the puncture site, you need to go to the hospital for further treatment.

In the past, the bone marrow tissue we extracted was mainly checked under the microscope to see if the shape, type and proportion of bone marrow cells were normal. Chromosome analysis, analysis of various fusion genes and mutant genes, and some may also require bone marrow biopsy. Therefore, "bone puncture" does not only mean bone marrow smear and biopsy, there are many other items that can be done according to different conditions and needs. Well, we have basically understood that bone marrow aspiration is an important test for diagnosing blood system-related diseases, and it is a small operation. It doesn't pump the spinal cord, and it doesn't make us stupid.

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