How to do liver needle biopsy

Liver biopsy is the use of a puncture probe to puncture the sampling site under ultrasound guidance to extract tissue for examination.

The specific operation method of liver biopsy is as follows: the patient is generally placed in a supine position, and then local anesthesia is applied. The one-second puncture technique of negative pressure suction is used. Direct puncture. The liver samples obtained by puncture are generally about 10-25 mg. After processing, they are stained for histopathology and immunohistochemistry, and the liver tissue and cell morphology are observed under a microscope. Liver biopsy is mainly used for the differential diagnosis of various liver diseases, such as identifying the nature and causes of jaundice, understanding the degree and activity of liver lesions, providing the basis for the etiological diagnosis of various types of viral hepatitis, and discovering early and quiescent stages. Or still in the compensated liver cirrhosis, to determine the clinical efficacy.

It is recommended to rest in bed for at least 24 hours after the puncture, and observe the changes in vital signs such as pulse and blood pressure.

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