What Does Bone Marrow Puncture Needle Mainly Check?

Bone piercings are commonly referred to as bone marrow puncture, which is an essential means for the diagnosis of most leukemia. It is a commonly used diagnostic technique using bone marrow fluid. It is suitable for the diagnosis, differential diagnosis, treatment and follow-up of various blood diseases. Unexplained increase or decrease in the number of red blood cells, white blood cells and platelets and abnormal morphology; The diagnosis and differential diagnosis of fever of unknown cause can be bone marrow culture, bone marrow smear to find parasites and so on.

The posterior superior iliac spine or anterior superior iliac spine of the pelvis is usually selected for bone marrow puncture. This part has clear bony signs and no surrounding large blood vessels and nerve trunk, so it is safe. If the materials for multiple puncture are not satisfactory, sternal puncture can be selected in a few cases. As long as the oblique needle is carried out (the needle is inserted into the sternum at 30 to 45 degrees), without penetrating the sternum, it is also safer. Before puncture, local anesthesia should be carried out at the puncture point, and anesthetics should be applied from the skin and subcutaneous to the periosteum on the bone surface, so the puncture will not bring pain to the patient. Skilled operators usually do this in ten minutes or less, so there is no need to worry. Cleaning (including bathing) is not appropriate for two to three days after applying sterile dressing to the puncture site to avoid local infection.