“…Based on a literature search, only 30 patients with a diagnosis of hamartoma of mature cardiac myocytes have been identified from 1998 to 2020 ( Table 1 ). 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 Of these 30, 19 were males (63%) and 11 were females (37%). The mean age was 32 ± 21 years, ranging from 6 months to 76 years.…”