When Is A Bone Marrow Puncture Necessary?

Bone marrow puncture is a common diagnostic technique using bone marrow fluid. The examination contents include cytology, protozoa and bacteriology. The site of bone marrow puncture is generally selected

① Anterior superior iliac spine: 1 ~ 2cm above the posterior anterior superior iliac spine is often taken as the puncture point, where the bone surface is relatively flat, easy to fix, convenient and safe operation;

(2) Posterior superior iliac spine: located on both sides of the sacral vertebra and the bony protrusion above the buttocks;

(3) Manubrium sternum: there is abundant bone marrow here. When the above part of the puncture fails, manubrium sternum puncture can be used, but the bone here is thin, followed by atrium and great vessels, so it is seldom used to prevent the risk of penetration;

④ Lumbar spinous process: located in the source of lumbar spinous process, rarely selected. The patient should do accordingly. Position sternum and anterior superior iliac spine puncture take supine position, the former also need to use a pillow on the back, in order to make the chest slightly prominent. The posterior superior iliac spine should be punctured in lateral decubitus position. Lumbar spinous process puncture was performed in sitting or lateral decubitus position.

Bone marrow examination is suitable for: 1. Diagnosis, differential diagnosis and treatment follow-up of various blood diseases. 2. Unexplained increase or decrease in the number of red blood cells, white blood cells and platelets and morphological abnormalities. 3. Diagnosis and differential diagnosis of fever of unknown cause, bone marrow culture, bone marrow smear to look for parasites, etc.

Bone marrow puncture examination is the cytology examination that passes bone marrow smear can understand the generation of all sorts of cells inside bone marrow, the change of all sorts of cell morphology, composition and discovery abnormal cell to wait, in order to make clear diagnosis, observe curative effect, estimate prognosis.

Bone marrow puncture blood disease diagnosis is the commonly used inspection method, especially in many diseases of the blood in the diagnosis and differential diagnosis of many malignancies is necessary, there are fears that wear will harm the body, this fear is unreasonable, the bone in the marrow smears only needs 0.2 ml liquid, for whole body for thousands of ml bone marrow fluid is negligible, It has no effect on the body. A bone marrow biopsy takes bone marrow tissue just one centimeter in size and has no effect on the body. So patients do not have to worry about the loss of hematopoietic ability caused by the extraction of bone marrow.

Hematology experts from Shijiazhuang Ping An Hospital suggested: Precautions after bone marrow puncture: 1. After the operation, the patient should be instructed to lie still and rest, at the same time, make marks and submit bone marrow tablets for examination, clean the puncture site, and make puncture records. 2. Take bone marrow and smear quickly to avoid coagulation. Peripheral blood smear should be performed simultaneously as a control.

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