| Polycythemia vera |
| Polycythemia vera may develop into chronic leukemia or myelofibrosis. A complete blood count and platelet count within one year of application is required. The risk is not acceptable if the WBC count is over 14,000 or if the platelet count is over 500,000. |
| Duration up to 10 yr |
|
Well controlled, without past or current chemotherapy
|
|
Age to 49
|
+ 200 up |
|
Age 50 and over
|
+ 150 |
|
Others
|
IC |
| Duration > 10 yr |
IC |
