Bone marrow morphologic findings
. | Cellularity . | Red cell precursors . | Granulocyte precursors . | Megakaryocytes . |
---|---|---|---|---|
T-cell GLL (n = 36) | ||||
Increased | 20 (56%) | 16 (44%) | 9 (25%) | 3 (8%) |
Decreased | 5 (14%) | 10 (28%) | 14 (39%) | 3 (8%) |
Normal | 11 (31%) | 10 (28%) | 13 (36%) | 30 (83%) |
Immature precursors3-150 | — | 6 (17%) | 13 (36%) | — |
Reactive (n = 25) | ||||
Increased | 5 (20%) | 6 (24%) | 3 (12%) | 2 (8%) |
Decreased | 9 (36%) | 10 (40%) | 10 (40%) | 4 (16%) |
Normal | 11 (44%) | 9 (36%) | 12 (48%) | 19 (76%) |
Immature precursors3-150 | — | 2 (8%) | 2 (8%) | — |
. | Cellularity . | Red cell precursors . | Granulocyte precursors . | Megakaryocytes . |
---|---|---|---|---|
T-cell GLL (n = 36) | ||||
Increased | 20 (56%) | 16 (44%) | 9 (25%) | 3 (8%) |
Decreased | 5 (14%) | 10 (28%) | 14 (39%) | 3 (8%) |
Normal | 11 (31%) | 10 (28%) | 13 (36%) | 30 (83%) |
Immature precursors3-150 | — | 6 (17%) | 13 (36%) | — |
Reactive (n = 25) | ||||
Increased | 5 (20%) | 6 (24%) | 3 (12%) | 2 (8%) |
Decreased | 9 (36%) | 10 (40%) | 10 (40%) | 4 (16%) |
Normal | 11 (44%) | 9 (36%) | 12 (48%) | 19 (76%) |
Immature precursors3-150 | — | 2 (8%) | 2 (8%) | — |
For red cell precursors, immature precursors refers to identification of increased pronormoblasts and basophilic normoblasts. For granulocyte precursors, immature precursors refers to left-shifted maturation.