Incidence of myeloproliferative markers and hereditary polycythemia markers in 13 children with PV
| Marker . | Sporadic polycythemia . | Familial polycythemia . |
|---|---|---|
| No. | 8 | 5 |
| JAK2V617F mutation, no. patients (%) | 3 (37) | 0 |
| Exon 12 JAK2 mutations, no. patients (%) | 0 | 0 |
| Epo-R mutations, no. patients (%) | 0 | 0 |
| Low serum Epo, no. patients (%) | 2 (25) | 0 |
| EEC growth, no. patients (%) | 3 (37) | 1 (20) |
| Clonal hematopoiesis, no. patients* | 2/2 | 0/3 |
| PV diagnosis, no. patients (%) | 5 (62) | 1 (20) |
| 2 major + 1 minor, no. patients (%) | 3 (37) | 0 |
| 1 major + 2 minor, no. patients (%) | 2 (25) | 1 (20) |
| Marker . | Sporadic polycythemia . | Familial polycythemia . |
|---|---|---|
| No. | 8 | 5 |
| JAK2V617F mutation, no. patients (%) | 3 (37) | 0 |
| Exon 12 JAK2 mutations, no. patients (%) | 0 | 0 |
| Epo-R mutations, no. patients (%) | 0 | 0 |
| Low serum Epo, no. patients (%) | 2 (25) | 0 |
| EEC growth, no. patients (%) | 3 (37) | 1 (20) |
| Clonal hematopoiesis, no. patients* | 2/2 | 0/3 |
| PV diagnosis, no. patients (%) | 5 (62) | 1 (20) |
| 2 major + 1 minor, no. patients (%) | 3 (37) | 0 |
| 1 major + 2 minor, no. patients (%) | 2 (25) | 1 (20) |
The number of patients fulfilling the proposed revised WHO diagnostic criteria for PV is shown in the lower part of the table.
Number of patients with clonal hematopoiesis among all female patients.