The X-ray diagnosis of congenital absence of the pericardium

The X-ray signs of such a rare abnormality as the congenital absence of the pericardium are presented. The results of examinations and follow-up of 4 patients with this abnormality are analyzed. The patients underwent X-ray, echocardiographic studies, cardiac catheterization and angiography. The diagnosis of the absence of pericardium was confirmed at surgery and in one case at autopsy.