A rare case of hypereosinophilic endomyocardial fibrosis due to PCM1-JAK2.

Endomyocardial fibrosis is a common cause of restrictive cardiomyopathy worldwide, but rarely occurs in patients living outside tropical regions.1 Herein is the first published case report of a 48-year-old woman with endomyocardial fibrosis due to hypereosinophilia secondary to a rare chromosome 8 and 9 PCM1-JAK2 translocation.