Bone marrow biopsy and bone marrow puncture

Bone marrow biopsy:

Bone marrow biopsy, for short, involves taking a small cylindrical piece of bone marrow, about 0.5 to 1 cm long, with a special needle for pathological examination. The operation method is exactly the same as that of bone marrow puncture. The material removed retains the intact bone marrow tissue structure, which can make up for the deficiency of bone marrow puncture.

Bone marrow puncture:

A bone puncture is a small amount of bone marrow taken for examination. Bone marrow is filled in the bone marrow cavity and bone cancellous mesh. There are two types of bone marrow and yellow bone marrow. Red bone marrow has hematopoietic function, yellow bone marrow has a lot of adipose tissue. With the increase of age, the red bone marrow in the medullary cavity is gradually replaced by yellow bone marrow. Red bone marrow is retained in the spinal canal, sternum, ribs, clavicle, scapula, iliac crest, skull and the upper end of femur and humerus in the cancellous matter. It is the main hematopoietic organ of the human body. The abnormal quality and quantity of blood cells are the important pathological changes of blood diseases.

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