A myelogram ( dr. Greek μυελός - bone marrow + γράμμα record, image) is the result of a microscopy of a smear of punctured bone marrow expressed in the form of a table or diagram, reflecting the qualitative and quantitative composition of nucleated cells of myeloid tissue.
The norm for adults is:
- Undifferentiated blasts 0.1 - 1.1
- Myeloblasts 0.1 - 3.0
- Neutrophilic promyelocytes 0.5 - 5.0
- Neutrophilic myelocytes 7.0 - 20.0
- Neutrophilic metamyelocytes 8.0 - 18.0
- Band neutrophils 9.5 - 23.7
- Segmetonuclear neutrophils 12.0 - 24.0
- Eosinophilic myelocytes 0.5 - 4.0
- Eosinophilic metamyelocytes 0.1 - 2.2
- Band eosinophils 0.0 - 2.0
- Segmetonuclear eosinophil 0.1 - 5.0
- Basophilic myelocytes 0.0 - 0.1
- Basophilic metamyelocytes 0.0 - 0.3
- Wand and segmented basophils 0.0 - 0.5
- Proerythroblasts 0.2 - 1.0
- Basophilic erythroblasts 0.8 - 3.5
- Polychromatophilic erythroblasts 7.5 - 15.0
- Oxyphilic erythroblasts 0.1 - 1.0
- Polychromatophilic normoblasts 6.0 - 15.0
- Oxyphilic normoblasts 0, 0 - 1.0
- Lymphocytes 6.0 - 15.0
- Monocytes 0.1 - 2.5
- Plasma cells 0.0 - 1.5
- Megakaryocytes 0.3 - 0.5