Elsevier

Clinical Radiology

Volume 22, Issue 3, January–October 1971, Pages 330-340
Clinical Radiology

Aortic root aneurysm—Radiographic and pathologic features

https://doi.org/10.1016/S0009-9260(71)80081-8Get rights and content

In patients presenting with an atypical history of aortic insufficiency, the possibility of an aortic root aneurysm should be considered. Extra-vascular stigmata of Marfan's syndrome occur in only a minority of patients with aortic root aneurysm. In most of our patients the aortic histology was identical with that seen in the full-blown Marfan's syndrome, and we have used the term ‘Marfan's syndrome, forme fruste’ to label these patients.

Our experience suggests that the plain chest radiograph will suggest the presence of an aortic root aneurysm in the majority of these patients. If the aneurysm is restricted to the intrapericardial portion of the aortic root, its presence will be manifest only by displacement of contiguous border-forming structures such as the main pulmonary artery. When the ascending aorta is also significantly involved, the plain radiographic appearance may be typical. In some patients, however, dilatation of the ascending aorta may simulate aortic valve disease and the aortic root lesion may remain hidden. In these patients the characteristic aortographic appearance will indicate the correct diagnosis.

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