Can fine needle puncture needle cytology cause tumor metastasis?

Medical experts have found that fine needle aspiration (FNA) does not cause the spread of cancer in large follow-up studies in countries around the world. The instrument of choice for fine needle aspiration is a very fine needle that aspirates tissue for cytology. This method has the advantages of simple operation, small tissue damage, safe and economical, rapid diagnosis, and can be made in half an hour. It is the most effective gold standard for preoperative differential diagnosis of benign and malignant, and also an effective method for the diagnosis and differential diagnosis of various diseases. Fine needle aspiration adopts suction material. The absorbed tissue is hidden in the needle core due to negative suction, and will not leak out and contaminate tissues at other levels, and there is no danger of tumor spreading. So far, there has been no report of tumor implantation in the needle path, so there is no need to worry about tumor spread caused by puncture.

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