5 surrounding millimeters of atrial septum. The septum is then repaired, using material from the pericardium. Epidemiology Cardiac myxomas predominantly appear in females in their 30s to 40s. Myxomas are the most common primary cardiac tumor affecting adults, accounting for one quarter to half of primary cardiac tumors seen in clinical practice. See also Myxoid tumor Cutaneous myxoma Carney complex Myxomatosis Primary tumors of the heart Myxomatous degeneration References External links Myxomatous degeneration at Wikidoc Heart neoplasia Connective/soft tissue tumors and sarcomas