<prompt> Answer this question truthfullyWhat does syphilitic aortitis mean?  <response>: <reason> Syphilitic aortitis can cause de Mussets sign, a bobbing of the head that de Musset first noted in Parisian prostitutes.Aortic dilatation Linear calcification of the ascending aortaHelps to distinguish syphilitic aortitis from abdominal aortic aneurysm 