What does bone puncture needle plasma cell have 3% meaning

Examination methods: Bone marrow examination procedure: (1) Select the puncture site (2) anesthesia (3) Fix the length of the puncture needle (4) Fix the puncture site with the doctor's left thumb and indicator finger, and puncture the bone marrow puncture needle vertically with the bone surface in the right hand. For sternal puncture, puncture the bone surface at an Angle of 30°-40°. When the tip of the puncture needle contacts the bone, rotate the puncture needle around the long axis of the needle body, and push forward to slowly Pierce the bone. (5) Extract bone marrow fluid. Remove the core of the puncture needle, connect it to a dry syringe (10m1 or 201m1), and extract bone marrow fluid with appropriate force. Bone marrow cytology examination steps: (1) Smear: It is required that the smear slides and slides should be clean and free of putty contamination, the smear should be thin and uniform, the number of smears should be about 10, and 2 blood tablets should be prepared for control. (2) Dyeing: commonly used mixed dyeing method of Rayshe-Giemsa; Cytochemical staining is often used in combination. (3) Low magnification examination: To judge the degree of bone marrow hyperplasia, the ratio of mature red blood cells and nucleated cells in bone marrow tablets is usually used to judge the hyperplasia of bone marrow. (4) Oil microscope examination: select the evenly distributed cells, classify and count at least 200 nucleated cells under the oil microscope, and pay attention to whether there is qualitative change.