Will biopsy cause the tumor to spread?

Biopsy generally does not cause tumor spread. If the biopsy is taken under endoscopy, such as bronchoscopy, gastroscope, colonoscopy, etc., the biopsy is usually taken directly from the tumor surface area. At this time, there is generally no spread. Even if a small amount of tumor cells will fall off, they will generally not encounter a suitable environment and will not cause tumor cells to spread.

However, if the biopsy is guided by CT or color Doppler ultrasound, the puncture needle is often inserted into the tumor. At this time, after the tumor tissue is cut, the core of the puncture needle is generally retracted into the trocar, so that the puncture needle is removed. Generally, tumor cells will not come into contact with other normal tissues, and they will hardly cause spread.

Only when the pathological type is confirmed by the biopsy can the cancer patient be treated as soon as possible. Therefore, the benefits of biopsy to patients are far greater than the risk of tumor spread caused by biopsy.

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