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Click 18 year old male with myocardial calcinosis in chronic renal failure. Axial slices of a noncontrast CT of the chest demonstrate calcified endocardial surfaces and myocardium of both atria and left ventricle. Calcifications of the interatrial septum and papillary muscles are also seen as well as oncentric hypertrophy of the left ventricle. Note, dilated right and left atria as well as the right ventricle. Calcifications of aortic and mitral valves are also noted. Enlarged pulmonary arteries consistent with pulmonary hypertension which was confirmed by echocardiography (80 mm Hg). Also seen are dural calcifications.