Is puncture biopsy of pulmonary nodules accurate

Puncture biopsy is to puncture the lung mass with a long and thin needle in the doctor's hand under CT or ultrasound positioning, and obtain some tissues inside the mass for pathological examination. Different from puncture biopsy of other organs, lung is an organ that is constantly active due to respiration. During respiration, lung tissues rise and fall, and the tumor also rises and falls. The position is not fixed, so it is not possible to penetrate the tissue inside the tumor every time. For some patients, due to the location and shape of the lesion, the diagnosis cannot be completely confirmed. The accuracy of needle biopsy is about 80%-90%. Needle biopsy has certain risks: pneumothorax, bleeding, infection, etc. Other issues that need to be considered in needle biopsy include: not finding cancer cells in samples cannot completely exclude lung cancer, which may cause disease delay; If the nodule is malignant, puncture has the potential to cause implantation metastasis, etc.

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