There is a shadow on the upper lobe of the left lung, which is suspected of lung cancer. A needle biopsy is needed... Is it a chest puncture or a back puncture? Some people say it enters from the chest?

The puncture point is determined according to the location of the tumor.

The full name of the general puncture is CT-guided percutaneous lung biopsy. Generally, the tumor suitable for percutaneous puncture is close to the chest wall. Generally, the puncture is on the surface of the chest wall closest to the tumor. Of course, the ribs, scapula, etc. should be avoided. When puncturing, directly penetrate the tumor, otherwise it will pass through too much lung tissue, which will easily lead to bleeding or pneumothorax. Tumors close to the large blood vessels are generally not worn, which may cause bleeding by accidentally injuring the large blood vessels.

Now there is EBUS, which is puncture under tracheal ultrasound. It requires the tumor to be close to the trachea. Similar to a bronchoscopy, the tracheal ultrasound is inserted to reach the position of the tumor next to the trachea. Puncture.

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