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Hemorrhagic stroke associated with essential thrombocythemia: Case report and literature review
Essential thrombocythemia (ET) is a chronic myeloproliferative neoplasm characterized by the overproduction of circulating platelets in the peripheral blood, caused by the excessive proliferation of megakaryocytes in the bone marrow.1 Cerebrovascular events, mainly ischemic stroke, are one of the most serious complications in patients with ET, and the V617F mutation in the Janus kinase 2 (JAK2) gene is recognized as a thrombotic risk factor.2 Hemorrhagic stroke associated with ET is very infrequent, and the effect of mutation types on hemorrhagic stroke remains unclear.
Source: Journal of Stroke and Cerebrovascular Diseases - August 11, 2020 Category: Neurology Authors: Akihiko Momozaki, Jun Masuoka, Takashi Furukawa, Motofumi Koguchi, Hiroshi Ito, Fumitaka Yoshioka, Kohei Inoue, Atsushi Ogata, Yukiko Nakahara, Tatsuya Abe Tags: Case Report Source Type: research

Cerebral Hemorrhage of a 50-Year-Old Female Patient with Polycythemia Vera
Polycythemia vera is a chronic myeloproliferative neoplasm, which is primarily characterized by elevated erythrocyte count with the risk of thrombosis, hemorrhage, and vasomotor symptoms. More common reported about bleeding events are gastrointestinal, mucosal, and cutaneous bleeding. Spontaneous cerebral hemorrhage/bleeding is seldom reported. Here, we report the case of a 50-year-old female with polycythemia vera who developed a spontaneous cerebral hemorrhage. She improved significantly after hydroxyurea agent and red cell apheresis, and the hematocrit decreased from 74% to 40%.
Source: Journal of Stroke and Cerebrovascular Diseases - May 20, 2019 Category: Neurology Authors: Lei Chen, Han Xiao, Zhiping Hu Tags: Case Report Source Type: research