[Blood hypereosinophilia syndrome with cardiac involvement and extramembranous glomerulopathy].

The case of a 71 year old woman with an idiopathic hypereosinophilic syndrome is reported. Bidimensional ultrasonography was in favor of endomyocardial involvement. This case was original as nephrotic syndrome developed, due to membranous glomerulopathy which was complicated with renal vein thrombosis. Both eosinophilia and nephrotic syndrome greatly improved with corticosteroid treatment. Nonetheless, the patient died suddenly after 2 years, and this demise is in keeping with the overall poor prognosis of idiopathic eosinophilic syndrome.