The difference between bone marrow biopsy needle and bone marrow puncture needle in medical surgery

Bone marrow biopsy:

Bone MARROW biopsy IS A special needle to take a small piece of bone MARROW about 0.5 to 1 centimeter long cylindrical tissue for pathological examination. The operation method is exactly the same as that of bone marrow puncture, and the removed material maintains the intact bone marrow 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 the cancellous mesh of the bone. 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 cancellous substance at the upper end of femur and humerus. It is the main hematopoietic organ of the human body, and the abnormal quality and quantity of blood cells are the important pathological changes of blood diseases.

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