Myelogram - Definition

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A myelogram is a medical test that consists in taking a bone marrow sample. Bone marrow is a tissue found inside most of the bones in children, and almost exclusively in what we call flat bones in adults. A large majority of our blood cells are essentially produced solely in the bone marrow. The sample is usually taken from the hip bone or the sternum, located in the upper section of the thorax. Once the extract has been smeared onto slides, the laboratory analyzes the cellular composition of the sample. We use a myelogram to identify bone marrow diseases, notably leukemia.