Coronary sinus Ostial atresia with a window to the left atrium and
persistent left superior vena cava in an adult patient
Coronary sinus Ostial atresia（CSOA） is a rare cardiac malformation.
The morbidity rate is 0.1%(1). We report here on a rare case of an
incidentally found CSOA with unroofed coronary sinus(UCS) and persistent
left superior vena cava(PLSVC) in an adult patient. Diagnostic methods
included echocardiography, multidetector row computed tomography.