Tumor needle examination technique

The tumor is in the body, so how do you get the tumor tissue without the tumor spreading through the puncture? With the development of science and technology, many puncture devices are now equipped with protective devices. So that it can be accurately punctured into the tumor tissue under the guidance of color ultrasound or CT, and the whole body can escape after the tumor tissue is taken. To take a simple example, the needle used to obtain tumor tissue is the same as the pen we usually use. Firstly, the head of the pen is pressed on the surface of the tumor, and then the switch is pressed, so that the needle inside, namely the pencil lead, can be stabbed into the tumor to obtain materials. After sampling, the needle tube will return to the pen tube in the original way, so as to eliminate the contact between the tumor tissue and the outside world from the source.

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