What does bone marrow test mean

Bone marrow puncture is a method of disease diagnosis by inserting a puncture needle into the bone marrow cavity to extract a small amount of bone marrow fluid, making a smear, and then observing and counting various bone marrow cells with a microscope after staining. Various blood diseases (except hemophilia) and certain metabolic disease (such as high snow's disease) diagnosis of some diseases, such as typhoid fever, malaria and the disease etiology diagnosis, judging whether the malignant tumor invasion of bone marrow for curative effect observation of blood disease, etc, is inseparable from the bone marrow puncture and detailed examination and analysis of bone marrow cells. However, because bone marrow puncture can only extract a little bone marrow component in a local area, sometimes it can not reflect the complete picture of bone marrow hematopoiesis, so it should be punctured at multiple sites when necessary. Other a few patients because marrow is fibrotic or cellular component is too much, although puncture of many places for many times also takes out not to give marrow fluid and make puncture failure, also can because puncture technology is not skilled and mix blood to dilute marrow fluid, these problems are solved through marrow biopsy.

Bone marrow biopsy with bone marrow biopsy needle in the iliac before or after iliac spine took out a piece of about 2 mm in diameter and about 5 mm long bone marrow tissue pathological examination, this method is safe and reliable, no matter what all can succeed in the bone marrow, and can maintain the structure of the bone marrow is changeless, therefore can response the natural shape of the bone marrow, have important diagnostic significance. It has been widely adopted by clinicians.

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