MPNs are quite rare in younger age, but they are more and more frequently diagnosed. Maybe they were undiagnosed or underdiagnosed before, and now with more awareness of these diseases, we see more and more young patients coming to the adult hematologist. And this transition between pediatrician and adults should be done carefully. And we made a kind of proposal of recommendations with an international group of colleagues that was published in Leukemia recently to help the pediatrician give the tools for their patients to switch to adult hematologists...
MPNs are quite rare in younger age, but they are more and more frequently diagnosed. Maybe they were undiagnosed or underdiagnosed before, and now with more awareness of these diseases, we see more and more young patients coming to the adult hematologist. And this transition between pediatrician and adults should be done carefully. And we made a kind of proposal of recommendations with an international group of colleagues that was published in Leukemia recently to help the pediatrician give the tools for their patients to switch to adult hematologists. Why is it important? Because I think these diseases have some impact on the life of these patients. First, there are chronic diseases and it’s always difficult in young patients to manage chronic diseases, especially if you need to take a drug every day. Second, they also have complications that may impact their long-term life, like thrombotic complications, risk of transformation to myelofibrosis, myelodysplastic syndrome, or acute leukemia. And we’ve shown with a large collaborative study we did with the EHA Scientific Working Group on MPNs and European colleagues on a large number of patients, that these patients have the same risk as all the patients to evolve, meaning that after 10 to 20 years, a significant proportion of them will develop acute leukemia, for example, or myelodysplasia. And this is not a small issue when you are diagnosed at 20 years of age, meaning at 40 years you have this risk compared to when you are diagnosed at 70, and then this is maybe less important. So this is a population that needs particular care and particular awareness on how to manage them and help them to go through their life and their disease.
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