<prompt> Aoic regurgitation may be associated with all of the following exceptAnkylosing SpondylitisMarfans SyndromeDissection of the aoaPolyaeritis nodosa  <response>: Aoic regurgitation Valvular Congenital bicuspid Endocarditis Rheumatic fever Myxomatous prolapse Traumatic Syphilis Ankylosing spondylitis Root disease Aoic dissection Cystic medial degeneration Marfans syndrome Bicuspid aoic valve Nonsyndromic familial aneurysm Aoitis Hypeension Harrison;s principle of internal medicine,18th edition,pg no. 1930 