Kim chọc thủng thử lấy hết hạch được không?

Lymph node puncture is performed under local anesthesia, so at the beginning of the operation, the injection of anesthesia will be painful (similar to doing a skin test), and there is no pain during the operation, but after the operation is completed and the effect of the anesthetic wears off, the wound will hurt for a day or two . 1. Lymph node puncture 1. Lymph node puncture to obtain the extracted fluid to make smear cytology or pathogenic examination can help diagnose related diseases that cause lymph node enlargement, such as infection (bacteria, virus, fungus, worm), tuberculosis and leukemia, lymphatic tumor, malignant group, metastatic cancer, etc. 2. Operation steps: select the swollen lymph node suitable for puncture → routinely sterilize the skin and the operator's finger → fix the lymph node with the index finger and thumb of the left hand → use the 18-19 gauge needle in the right hand to dry the syringe needle and pierce the lymph node along the long axis of the lymph node Inside → suction while pulling the needle → remove the syringe and inflate the needle, then aspirate blood from the needle, spray it onto the smear to make a uniform glass slide, stain for microscopy → cover with sterile gauze after surgery and fix it with tape. 3. Precautions: ①It is better to puncture in front of the iliac, so as to avoid excessive lipids and affect the smear ②If the aspirate cannot be drawn out, the needle can be punctured continuously in different directions ③Pay attention to selecting larger lymph nodes and keeping them away from large blood vessels④ 2. Lymph node biopsy 1. Indications: patients with enlarged lymph nodes cannot be diagnosed by lymph node puncture smear, suspected lymphoma, leukemia, malignant group, immunoblastic lymphadenopathy, tuberculosis, tumor Metastases or sarcoidosis, lymph node biopsy should be selected. 2. Biopsy site: Generally, the enlarged lymph nodes are taken. If the lymph nodes all over the body are enlarged, the abdominal and femoral lymph nodes should be taken as little as possible. 3. The removed lymph nodes should be fixed with 10 percent formaldehyde or 95 percent ethanol immediately and sent for examination. So if you ask? After handling the above precautions, you will understand!

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