How to do a detailed lymph node biopsy?

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 . First, lymph node puncture 1. Lymph node puncture to obtain the aspirated fluid to make a 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, lymphoma, malignant group, metastatic cancer Wait. 2. Operation steps: select the enlarged lymph node suitable for puncture → routinely disinfect 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 to dry the syringe needle in the right hand and pierce the lymph node along the long axis of the lymph node → Suction forcefully while pulling the needle → remove the syringe and inflate, 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.

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