Sinus of Valsalva Aneurysms³⁷

• Congenital: single cusp involved with normal aorta.
  • Localized deficiency of the tissue in the aortic annulus.
  • Retraction of a cusp into a closing ventricular septal defect.
• Inherited: all cusps involved with annuloaortic ectasia.
  • Marfan syndrome.
  • Ehlers-Danlos syndrome.
• Acquired: saccular false aneurysms.
  • Aortic root abscess with endocarditis.
  • Luetic aortitis.
  • Aortic dissection.