Kako narediti biopsijo pljuč

First, a conventional lung CT scan was performed, and then the distance and angle from the puncture point to the predetermined puncture target were measured on the CT image. Measure the puncture depth, hold the patient's breath, and perform the puncture at a predetermined angle. When puncturing, it is necessary to keep the puncture needle in the same scanning level of the puncture point, and try to use the direction parallel or perpendicular to the ground. After the puncture is in place, perform a local CT scan to determine whether the needle tip is in the lesion. If the direction needs to be adjusted, the puncture The needle is withdrawn to the chest wall and then adjusted, or pulled out and re-punctured. When adjusting the puncture needle or withdrawing the needle, ask the patient to hold their breath. When the needle is in the body, let the patient breathe calmly and try to avoid coughing. After the puncture, the puncture needle was withdrawn, and the puncture specimen was fixed and sent for pathological examination.

In recent years, intrapulmonary needle biopsy has been more and more widely used in the diagnosis and differential diagnosis of clinical diseases. There are many non-vascular guidance methods to achieve the purpose of biopsy or treatment. Which technique depends on the location, size, nature of the lesion and the doctor's proficiency, habits and the patient's ability to bear. The application of CT-guided percutaneous lung biopsy is relatively simple and has few complications.

Največja prednost uporabe CT-vodene punkcije je, da ima CT slika visoko gostoto ločljivosti, ki lahko jasno pokaže velikost lezije, cistične in solidne, ali obstaja nekroza, in odnos z okoliškimi tkivi in organe, brez motenj plina, maščobe in kosti, in slika nima prekrivanja, lahko se uporablja tanko{1}}slojno skeniranje, pozicioniranje je natančno in položaj konice igle je mogoče oceniti. Zato je varnost dobra, uspešnost biopsije je visoka, do 90 odstotkov, zelo dober pa je tudi učinek zdravljenja. Vendar ima CT-vodena punkcija tudi pomanjkljivosti: ker slikanje ni pravočasno, bo dihalni gib povzročil napake pri natančnem pozicioniranju, bolnika pa je treba usposobiti za obvladovanje faze dihanja. Kadar mora punkcijska igla tvoriti določen kot s prečnim prerezom, je tehnika vboda težavna in kot portala je mogoče prilagoditi.

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