What is puncture?

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

Puncture examination is one of the important testing methods for diseases of the blood system. The cytological examination of bone marrow smears can be used to understand the formation of various cells in the bone marrow, the morphology of various cells, changes in composition and the discovery of abnormal cells, etc. Diagnose, observe the curative effect, and estimate the prognosis. For example, the diagnosis of anemia can help diagnose the causes of anemia from the morphology, such as iron deficiency anemia, hemolytic anemia, aplastic anemia, etc., and diagnose various types of leukemia; about malignant In terms of tumors, bone puncture is of great significance for the judgment of multiple myeloma, bone marrow metastases, and lymphoma invading the bone marrow.

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