Disadvantages of Coarse Needle Aspiration Biopsy

Disadvantages of thick needle aspiration biopsy: 1. Pain, compared with fine needle aspiration, the possibility and degree of pain caused by thick needle will be greater. 2. Tissue damage, the tissue damage caused by coarse needle puncture is more obvious than that of fine needle. 3. Bleeding, the risk of bleeding caused by coarse needle aspiration is greater than that of fine needle aspiration. 4. Injuries to adjacent nerves, blood vessels and organs, the risk of injury to adjacent nerves, blood vessels and organs caused by coarse needle puncture is greater. 5. The seeding spread of malignant tumor, if the puncture target is malignant tumor, the risk of tumor cell seeding spread along the needle track is higher.

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