Acute multisystemic thromboembolism manifesting as cerebral infarction, myocardial injury, and quadriparesis: a novel triad of idiopathic hypereosinophilic syndrome

Prompt blood tests to assess eosinophil counts remain critical for early identification of HES, especially in the absence of usual clinical history. Early and strong glucocorticoid treatment efficiently reduces eosinophil levels and improves prognosis.