CTICasesAnnuloaortic ectasia in Marfan syndrome
Imaging findings
Chest CT in a 20-year-old male with a spontaneous pneumothorax demonstrates a dilated aortic root and effacement of the sinotubular junction (annuloaortic ectasia), in a patient with a pectus carinatum chest wall deformity.
Key takeaways
Annuloaortic ectasia is a classic cardiovascular manifestation of Marfan syndrome, predisposing patients to aortic dissection or rupture. Spontaneous pneumothorax is also a common pulmonary manifestation due to connective tissue weakness.
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