Case report - Arrhythmia Isolated papillary endothelial hyperplasia in the left atrial appendage

Papillary endothelial hyperplasia (PEH) of the heart is extremely rare. This report describes a case of left atrial appendage PEH discovered by intraoperative palpation during mitral valve repair in a 69-year-old woman. The lesion was treated successfully by surgical excision of the left atrial appendage. Immunohistochemistry analysis confirmed the diagnosis and the patient was discharged without any complications. 2008 Published by European Association for Cardio-Thoracic Surgery. All rights reserved.