Ayalew Tefferi, a renowned Professor of Medicine at the Mayo Clinic, shares insights on essential thrombocythemia (ET), a disorder marked by excessive platelet production. He discusses the challenges in diagnosing ET amidst potential secondary causes and highlights the importance of mutation screening. The conversation covers personalized treatment options, especially for older patients and those with extreme thrombocytosis. Additionally, Tefferi emphasizes the implications of ET on pregnancy and the potential benefits of monitoring and management to mitigate risks.