Q: What is Rasmussen's aneurysm?
Answer: Rasmussen's aneurysm is a pulmonary artery aneurysm adjacent or within a tuberculous cavity. It may lead to rupture and fatal hemoptysis. Rasmussen's aneurysm is caused by weakening of the pulmonary artery wall from adjacent cavitary tuberculosis.
Please see: Rasmussen's aneurysm (Dr. Arni Raghavendrarao Raghuram, Department of Cardiothoracic Surgery, Meenakshi Mission Hospital and Research Center, Madurai, Tamilnadu) - pdf