Why is a bone marrow aspiration performed?

Bone marrow aspiration, commonly referred to as bone marrow puncture, is a commonly used medical diagnostic technique. The primary purpose of performing a bone marrow puncture is to assist in diagnosing hematologic disorders, investigate unexplained blood cell abnormalities, monitor disease progression, evaluate treatment effectiveness, and determine whether infectious diseases have involved the bone marrow. If there are any concerns, it is recommended to seek medical consultation in advance. Detailed explanations are as follows:

1. Assisting in the diagnosis of hematologic diseases: Bone marrow is the primary hematopoietic organ in the human body. Bone marrow cytology examination can help assess the quantity of various blood cells in the bone marrow, cell morphology, and the presence of abnormal cells, thus assisting in the diagnosis of malignant hematologic diseases such as leukemia, lymphoma, and multiple myeloma, as well as non-malignant blood disorders such as marrow failure and aplastic anemia.

2. Investigating unexplained blood cell abnormalities: When patients present with unexplained anemia, leukocytosis or leukopenia, abnormal platelet counts, and similar conditions, bone marrow aspiration can provide deeper insight into blood cell production and help determine whether the abnormalities are caused by insufficient hematopoietic raw materials, impaired hematopoietic function, or other causes.

3. Monitoring disease progression: Patients who have already been diagnosed with hematologic diseases can undergo regular follow-up bone marrow aspiration to monitor changes in their condition, such as disease progression, remission, or recurrence, enabling timely adjustment of treatment plans by physicians.

4. Evaluating treatment effectiveness: After receiving treatment, patients can undergo bone marrow aspiration to assess the therapeutic response and determine whether symptoms have improved, thus helping physicians decide on subsequent medications and treatment strategies.

5. Determining whether infectious diseases involve the bone marrow: In cases of severe infectious diseases, when bacterial, fungal, or other infections are suspected to have invaded the bone marrow, bone marrow aspiration can be used to detect the presence of pathogens in the bone marrow, identify the type of infection, and assess the inflammatory response in the bone marrow, providing critical reference for formulating anti-infective treatment plans.

During bone marrow aspiration, patients should actively cooperate with physicians in performing all necessary examinations and nursing procedures and should prepare psychologically for the procedure.