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Persistent symptoms suggestive of idiopathic intracranial hypertension despite standard therapy should prompt urgent neuroimaging to exclude cerebral venous sinus thrombosis. When CVST is confirmed without an obvious provoking factor, evaluation for underlying myeloproliferative neoplasms, including JAK2‐positive essential thrombocythemia, is essential.
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Nafea et al. (2026) studied this question.
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