%0 Journal Article %T Hemoptisis masiva y hemot¨®rax izquierdo por aneurisma disecante de la aorta tor¨¢cica abierto a pulm¨®n y cavidad pleural %A Herrera Amaro %A Blanca %A Cueto Robledo %A Guillermo %A de la Escosura Romero %A Gabriel %A Aguirre Quezada %A Daniel %A Navarro Reynoso %A Francisco %A Cicero Sabido %A Ra¨²l %J Revista del Instituto Nacional de Enfermedades Respiratorias %D 2005 %I Scientific Electronic Library Online %X we present a 70 year old male with long standing systemic arterial hypertension that presented with massive hemoptysis and left hemothorax. necropsy showed a dissecting aneurysm of the aortic arch rupturing into the upper lobe of the left lung and the left pleural cavity, an uncommon cause of massive hemoptysis and hemothorax. the etiology of the aneurysm and dissection were probably related to the systemic hypertension. relevant facts regarding this pathology are discussed %K disecting aneurysm %K massive hemoptysis %K hemoth¨®rax. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0187-75852005000400007&lng=en&nrm=iso&tlng=en