Clinical and bone marrow histologic data
| . | No. 1* . | No. 2† . |
|---|---|---|
| WBC count, ×109/L | 7.9 | 8.7 |
| HB level, g/L | 94 | 122 |
| HT, proportion of 1.0 | 0.32 | 0.38 |
| Platelet count, ×109/L | 603.0 | 169.0 |
| Splenomegaly on palpation | Yes | Yes |
| Erythropoietin | ND | ND |
| Cytogenetic karyotype | Normal | Normal |
| Bone marrow biopsy | ||
| Increased cellularity | Yes | Yes |
| Erythroid hyperplasia | Yes | Yes |
| Granulocytic hyperplasia | No | Yes |
| Megakaryocytes abnormalities | No | No |
| Clustering of megakaryocytes | Yes | Yes |
| Fibrosis | No | No |
| . | No. 1* . | No. 2† . |
|---|---|---|
| WBC count, ×109/L | 7.9 | 8.7 |
| HB level, g/L | 94 | 122 |
| HT, proportion of 1.0 | 0.32 | 0.38 |
| Platelet count, ×109/L | 603.0 | 169.0 |
| Splenomegaly on palpation | Yes | Yes |
| Erythropoietin | ND | ND |
| Cytogenetic karyotype | Normal | Normal |
| Bone marrow biopsy | ||
| Increased cellularity | Yes | Yes |
| Erythroid hyperplasia | Yes | Yes |
| Granulocytic hyperplasia | No | Yes |
| Megakaryocytes abnormalities | No | No |
| Clustering of megakaryocytes | Yes | Yes |
| Fibrosis | No | No |