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Bone Marrow Aspiration and Biopsy

Also known as: Bone Marrow Aspiration and Biopsy, Bone Marrow; Bone Marrow Test
Formal name: Bone Marrow Aspiration; Bone Marrow Biopsy
Related tests: CBC; Differential; Reticulocyte count; Blood smear; Hemoglobin; Hematocrit; Platelet count; WBC; RBC

Why should I do it?
To evaluate the type, quantity, and maturity levels of the blood cells present in the marrow; to evaluate the fibrous structure of the marrow; and sometimes to collect a sample of marrow for more specific testing

When should I do it?
When a patient is anemic without an obvious cause and/or has a condition or cancer that may be affecting blood cell production; sometimes when a doctor is investigating a fever of unknown origin, especially when the patient is immuno-compromised

What Kind of Sample is Needed?
A bone marrow sample collected primarily from the hip bone (pelvis); sometimes collected from the sternum in adults or the tibia (shin bone) in infants

Test Preparation Needed?
None