Calcified amorphous tumor of the heart (cardiac CAT), A case report

Calcified amorphous tumor of the heart (cardiac CAT) is a rare non- neoplastic cardiac mass with unknown pathogenesis, 12 cases of which have been reported so far. This report presents a 73 year old woman with chest pain complaint continuing since last year. Workup revealed left atrium mass of posterior wall origin. The specimen was a solid calcified nodule with firm consistency and 2.5cm in diameter. Microscopic examination revealed fibrohyalinizing lesion with extensive calcium deposits, chronic inflammatory infiltration and blood elements.The lesion is diagnosed as calcified amorphous tumor of the heart.