Medical examination question and answer: How to puncture the bone marrow specimen collection?
Mar 16, 2022
Most of the bone marrow specimens are drawn by the puncture method, and the selection of the bone marrow puncture site should generally be considered from the following aspects:
①The red marrow is abundant in the marrow cavity;
②The puncture site should be superficial and easy to locate;
③Should avoid important organs. .
The commonly used puncture sites in clinic include the sternum, spinous process, ilium, tibia, etc. The posterior superior spine of the ilium is thin. The cortex is thin, the bone marrow cavity is large, the needle is easy to insert, the bone marrow fluid is rich, and the possibility of being diluted by blood is small. clinically preferred puncture site
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