Cerebral Infarction in Essential Thrombocythemia after Discontinuation of Hydroxyurea |
Jung Mee Kim, Eun Kyoung Cho, Young Soo Han, Jeong Ho Han, Doo Eung Kim |
본태성 혈소판 증다증 환자에서 Hydroxyurea 사용중단 이후 발생한 뇌경색 1례 |
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Abstract |
Abnormalities in the number and function of platelets may contribute to thromboembolic complications in patients with essential thrombocythemia(ET). Physicians often use hydroxyurea which reduces the platelet count for the initial treatment of ET. A 74-year-old man with ET was presented with headache, dysarthria, and right hemiparesis 10 months after discontinuation of hydroxyurea. Initial platelet count was 450x103/microliter and we gave him heparin. However, his platelet count rised upto 1,019x103/microliter within 4 days. He was on hydroxyurea 1.5 g/day and his symptoms improved with decrease of platelet count. We report a case of left MCA(middle cerebral artery) multifocal infarction in ET after discontinuation of hydroxyurea. |
Key Words:
Hydroxyurea, Essential thrombocythemia, Cerebral infarctio |
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