Tabriz University of Medical Sciences Journal of Cardiovascular and Thoracic Research 2008-5117 6 4 2014 12 27 Calcified Amorphous Tumor of the Heart with Purple Digit 261 264 10.15171/jcvtr.2014.023 EN Feridoun Sabzi Hosein Karim Babak Eizadi Reza Faraji Nasrin Javid Journal Article 10.15171/jcvtr.2014.023 2014 10 06 A calcified amorphous tumor (CAT) of the right atrium (RA) is an exceedingly rare non neoplastic cardiac mass. It was initially described in 1997 and only a handful of cases has been published so far. We present a case of tumor in 77-year-old male, in the RA that attached to therim of the fossa ovalis, with classic pathological and clinical findings. Under cardiopulmonary bypass (CPB) and bicaval and aortic cannulation and cardioplegic arrest, right atrial mass, was resected and septal defect was repaired with a fresh pericardial patch. Pathological exam of themass revealed CAT. The patient had an uneventful hospitalization and his blue discoloration of finger recovered normally.