Can the puncture remove all the lymph nodes as much as possible?

The lymph node puncture needle surgery is performed under local anesthesia, so at the beginning of the operation, the injection of anesthetic will be painful (similar to a skin test), and there will be no pain during the operation, but after the operation is completed, the wound will be painful after the effect of the anesthetic disappears. sky. 1. Lymph node puncture 1. The aspirate obtained from lymph node puncture to produce smear cytology or pathogenic examination can assist in the diagnosis of related diseases that cause lymph node enlargement, such as infections (bacteria, viruses, fungi, worms), tuberculosis and leukemia, lymph Tumor, malignant group, metastatic cancer, etc. 2. Operation steps: select the enlarged lymph node suitable for puncture → routinely disinfect the skin and the fingers of the surgeon → fix the lymph node with the left hand and thumb → use the right hand with an 18-19 gauge needle dry syringe needle to penetrate the lymph node along the long axis of the lymph node Inner→draw the needle while drawing vigorously→take off the syringe and inflate the needle to aspirate blood, spray it on the smear to make a uniform glass slide, stain it for microscopy→cover it with sterile gauze and fix it with tape after the operation. 3. Matters needing attention: ①It is best to puncture the iliac anteriorly to avoid excessive lipids and affect the smear. ②If the aspirate cannot be drawn, the needle can be punctured continuously in different directions ③Choose larger lymph nodes and stay away from large blood vessels ④ Pay attention to the characteristics of the extract before smearing 2. Lymph node biopsy 1. Indications: Patients with enlarged lymph nodes cannot be diagnosed by lymph node puncture smears, suspected lymphoma leukemia, malignant group, immunoblastic lymphadenopathy, tuberculosis, tumor For metastasis or sarcoidosis, lymph node biopsy should be selected. 2. Biopsy site: Generally, swollen lymph nodes should be taken. If all lymph nodes are swollen, the interfetal lymph nodes should be taken as little as possible. 3. The removed lymph nodes should be fixed immediately with 10% formaldehyde or 95% ethanol for inspection. So if you ask? After handling the above precautions, you will understand!

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