I wonder if you could ask Proffessor Harrison a question on my behalf?. It regards platelet counts at the lower end of abnormal.
When I was diagnosed with ET on my first appointment with the haematologist I asked what my risk factor was. She responded 'high' because age 60. I replied 'but my platelets are only 500,' thinking that I could get away with aspirin only as I'm otherwise healthy
Remember this is my first appointment and I'm trying to absorb everything she is saying. But she said something to the effect 'they don't know why, but at lower abnormal levels the platelet behaviour is more likely to cause 'clumping.' I know treatment involves getting platelet levels down so I find this confusing to say the least. I certainly don't think I misheard what she said.