Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 44 4 2006 08 15 285 287 H. Moayeri Z. Oloomi 2015 09 28 Idiopathic hypereosinophilic syndrome represents a heterogeneous group of leukoprolifrative disorders associated with prolonged eosinophilia of an undetectable cause with multi organ system dysfunction. It is a rare group disorder in children, most cases are reported in adult age group. We report a child with this syndrome who along with the usual features of the syndrome also had the presentation of cardiac and neurologic complications which did not respond to treatment. https://acta.tums.ac.ir/index.php/acta/article/view/3201 https://acta.tums.ac.ir/index.php/acta/article/download/3201/3179