Bone marrow aspirate needle puncture has the following advantages

) to maintain the natural structure of hematopoietic tissue, which is convenient for judging the ratio of red pulp and adipose tissue;

2) A more comprehensive understanding of the degree of bone marrow hyperplasia, the density of nucleated cells and their distribution;

3) It can avoid the dilution of sinus blood;

4) It can assist in the diagnosis of myelofibrosis, hairy cell leukemia, bone marrow necrosis and bone marrow steatosis, and can indicate the transformation of myelodysplastic syndrome to acute myeloid leukemia, and has a distinguishing effect on "dry pumping". Therefore, bone marrow biopsy can not only understand the composition of bone marrow cells and the distribution of primitive cells, but also observe the cell morphology, which is convenient for pathological diagnosis. Diseases provide an important basis for diagnosis.

Bone marrow aspiration and bone marrow biopsy have their own advantages and disadvantages, and they are two important means of diagnosing blood system diseases that cannot be replaced by each other. Bone marrow biopsy is also relatively easy to perform, and can be carried out smoothly for older children, but it is difficult to carry out for infants and young children. The biopsy process may be slightly longer than the bone marrow aspiration, and the biopsy process may feel sore. After puncture, pressure bandaging is completed to stop bleeding, and normal activities can be performed

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