Tehran University of Medical Sciences The Research in Heart Yield and Translational Medicine (RHYTHM) 3115-7270 4 1 2009 01 15 49 50 Maryam Moshkani Farahani Baqiatollah Medical and Research Center, Baqiatallah University of Medical Sciences, Tehran, Iran. Davood Kazemi Saleh Baqiatollah Medical and Research Center, Baqiatallah University of Medical Sciences, Tehran, Iran. Yahya Dadjoo Baqiatollah Medical and Research Center, Baqiatallah University of Medical Sciences, Tehran, Iran. Bahram Pishgoo Baqiatollah Medical and Research Center, Baqiatallah University of Medical Sciences, Tehran, Iran. 2015 10 03 A 22-year-old man presented with exertional dyspnea commencing one month prior to his admission. Echocardiography revealed a non-homogenous mass, and the pathology examination of the pericardial biopsy was compatible with angiosarcoma. https://rhythm.tums.ac.ir/index.php/jthc/article/view/120 https://rhythm.tums.ac.ir/index.php/jthc/article/download/120/118