How would you approach a young person with JAK2 V617F positive essential thrombocytosis with otherwise low risk features?

The first question in this situation is what is the JAK2 V617F neutrophil quantitative allele burden (NAB)? It must be less than 50% for a diagnosis of essential thrombocytosis (ET). Second, are we dealing with a man or woman? Men with so-called "ET" are much more likely than women to develop myelof...