What Is A Needle Biopsy?

Puncture is a commonly used surgical term in medicine. It is a diagnosis and treatment technique in which a needle is inserted into the body cavity to extract secretions for laboratory tests, gas or contrast agent is injected into the body cavity for angiography examination, or drugs are injected into the body cavity. The purpose of the puncture is to draw blood for testing, transfusion, infusion and placement of catheter for angiography.

Puncture examination is one of the important test methods for hematological diseases. Through the bone marrow smear cytology examination can understand the formation of all kinds of cells in the bone marrow, the morphology of all kinds of cells, the change of components and the discovery of abnormal cells, in order to make a clear diagnosis, observe the curative effect, estimate the prognosis. For example, the diagnosis of anemia can help to diagnose the causes of anemia from the morphology, such as iron deficiency anemia, hemolytic anemia, aplastic anemia and so on, and diagnose various types of leukemia; In terms of malignant tumors, bone perforation is of great significance in the judgment of multiple myeloma, bone marrow metastasis, and lymphoma invading bone marrow.

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