Why do you need a bone needle? !

Bone marrow aspiration (bone-piercing) is a technique using bone marrow fluid, which is performed primarily for the purpose of cytomorphologic examination, followed by parasitic and bacteriological examination to assist in the diagnosis of hematological diseases, infectious diseases and certain parasitic diseases.

Many people are very afraid of bone marrow examination when they hear that it has a great impact on the human body. In fact, this understanding is wrong. "Bone-piercing" is short for bone marrow puncture. Most of the bones in the human body are "hollow" and filled with bone marrow. Even seemingly "solid" bones such as the skull and ribs have loose bone marrow in them. "Bone perforation" is a diagnostic procedure in which a needle is inserted into the bone marrow cavity to extract a small amount of bone marrow for testing. Some patients mistakenly assume that bone marrow puncture inspection extraction marrow liquid can damage the essence of the human body, hurt, don't want to check, actually needed for bone marrow examination of bone marrow fluid is in very small amounts, generally is about 0.1 ml, and the human body normal bone marrow liquid volume is about 260 ml, the bone marrow of bone marrow biopsy examination when extracting liquid was trivial compared with the total body, Moreover, the body is constantly regenerating a large number of cells every day. In addition, patients often think that bone marrow aspiration is painful and scary, which is also unnecessary. The most common site chosen for "bone piercing" is the iliac crest, which is located on the lower lateral side of the abdomen, where the lower abdomen protrudes anteriorly. This procedure is usually performed under local anesthesia and does not damage large nerves or blood vessels, so it does not cause massive bleeding or neuromuscular paralysis. When the bone is pierced, the doctor will strictly disinfect it and will not cause osteomyelitis. The operation of bone marrow examination is very simple, and the whole process of bone marrow puncture is only a few minutes in general. Some patients feel little pain except pain at the moment of extraction of bone marrow fluid, and it is even less painful than general intravenous injection. After the end of bone marrow puncture, they can get up and move after 3-5 minutes of pressing. "Bone piercing" is not dangerous and does not leave any after-effects. Some diseases, especially some blood diseases, are difficult to diagnose without this test. If the disease needs, should not hesitate to do, even if there is no bone marrow disease, it is also a big harvest, because the exclusion of blood diseases can not only relieve the mental burden, but also avoid patients and their families to receive unnecessary treatment of pain and possible side effects. Our hospital hematology doctors are skilled in this operation, to minimize the pain of patients.

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