The small diverticulum in the right anterior wall of the left atrium

Abstract

A small recess in the right anterior wall of the left atrium (LA) can sometimes be seen on the endocardial side when viewing the examination results of a multidetector computed tomography. Radiologically, it is very hard to differentiate whether the recess indicates the image of the orifice of a vein or a diverticulum. And furthermore, the anatomical details of this structure remain unknown. A recess, as shown in Figure 1A and …