Congenital absence of the pericardium: a case report.

3 convexities were visualized: the aortic knob, pulmonary artery, and convexity of the left atrium. In addition, 2 radiotransparent bands were seen, one between the aortic knob and the pulmonary artery, and another between the cardiac base and the left hemidiaphragm. On magnetic resonance imaging, T2-weighted gradientecho (*) axial (Figure 2), and coronal (Figure 3) views Congenital Absence of the Pericardium: A Case Report Figure 1.