Puncture of lymph node biopsy needle

1. Lymph node puncture needle extract to make smear cytological or etiological tests can assist in the diagnosis of lymph node enlargement related diseases, such as infection (bacterial, viral, fungal, insect), tuberculosis and leukemia, lymphoma, malignant group, metastatic cancer, etc.

2. Operation steps: Select the swollen lymph nodes suitable for puncture → routine disinfection of the skin and fingers of the surgeon → fixation of lymph nodes with the left indicator and thumb → puncture into the lymph nodes along the long axis of the lymph nodes with an 18-19 gauge needle drying syringe in the right hand → pull the needle while pumping the needle → remove the syringe and inflate it, then pump the blood inside the needle and spray it onto the smear to make even slides. Staining microscopy → The cover was fixed with sterile gauze and tape after operation.

3. Notes: ① It is best to puncture in front of the iliac, so as not to have too much lipid, which will affect the smear ② If the aspirated substance cannot be extracted, the needle can be continuously punctured in different directions ③ pay attention to the selection of large lymph nodes, and away from the great blood vessels ④ pay attention to the extracted substance character before the smear