The most common site of acute aoic dissection is:-
AOIC DISSECTION Aoic dissection is caused by circumferential or, less frequently, transverse tear of the intima. MC site: Right lateral wall of the ascending aoa Another common site: Descending thoracic aoa (just below the ligamentum aeriosum). Peak incidence: 6th and 7th decades.
Right lateral wall of ascending aoa
Arch of aoa
Suprarenal abdominal aoa
Infrarenal abdominal aoa
Aerial disorders