, Volume 80, Issue 2, pp 124-127
Date: 28 Jun 2012

Idiopathic Hypereosinophilic Syndrome in Children: 3 Cases with Review of Literature

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To highlight the varied clinical manifestations and management of idiopathic hypereosinophilic syndrome, a rare disorder in children.


Retrospective review of case records of 3 patients who were diagnosed to have idiopathic hypereosinophilic syndrome (IHES) in a tertiary referral centre between 1997 and 2010 was performed. These 3 children presented with different symptoms and the first case had cardiac involvement. All had very high absolute eosinophil count (cells/mm3) 43,206, 9,082, 2,925, respectively. Diagnosis was confirmed by bone marrow biopsy in all three cases and supported by liver biopsy in the first two cases and inguinal lymphnode biopsy in the last case. All 3 children responded to treatment with steroids, with only second patient requiring hydroxyurea to control disease.


Case 1 and 2 are on follow up for 13 y and 10 y respectively and both are asymptomatic. Case 3 expired due to sepsis 1 mo after diagnosis.


Treatment with steroids with or without hydroxyurea gave good response in all 3 cases. Hence, they still remain the gold standard for the treatment of IHES in children.