Fenestrated Aortic Valve
There are no clinical history apart from the fact that this 47 year old male died following thoracotomy.
The specimen is of aortic valve viewed from the aortic surface. The valve cusps are thickened, especially along the free edges and the cusps inferiorly show several small fenestra 3 x 1 mm in size adjacent to the attachment of the cusp edge to the vessel wall. The intima of the aorta is partly ulcerated and a calcified atheromatous plaque is projecting through the deficit.
Idiopathic hypertrophic subaortic stenosis, also known as hypertrophic cardiomyopathy.