Medicine Respiratory system 2b5537b5 Rasmussen's aneurysm is a A Dilated vessel in a tubercular lung cavity B Dilated of the root of aoa in valvular stenosis C Dilated aoa in syphilitic affection D Dilated renal vessel in hypeensive renal disease High-Yield Explanation In tuberculosis,hemoptysis can occur due to rupture of a dilated vessel in a tuberculous cavity.It is known as Rasmussen's aneurysm. Ref:Harrison's medicine-18th edition,page no:1345.