Which of the following is the most common site for syphilitic aneurysm: (A) Descending aorta, (B) Ascending aorta, (C) Internal carotid artery, (D) External carotid artery
Answer is B. Syphilitic aneurysm most frequently occurs in ascending aorta. Syphilitic aneurysm occurs in tertiary stage of syphilis.