<prompt> Dissecting haematoma is a clinical complication occurring inTurners syndromeKlinefelters syndromeDown syndromeMarfan syndrome  <response>: Ans. d Marfan syndromeRef: Robbins 9thpg 491-492; 8thpg 496-497, Harrison 18th ed 2063Dissecting aneurysmWall of an artery rips dissects longitudinallyThis occurs because bleeding into the weakened wall splits the wall.Common in Marfan syndrome QThoracic aorta more affected Q 