Rasmussen's aneurysm is a pulmonary arteryaneurysm adjacent or within a tuberculous cavity. It occurs in up to 5% of patients with such lesions. It may lead to rupture and haemorrhage. It is named after Fritz Valdemar Rasmussen. The pulmonary arteries carry blood from the heart to the lungs. ... An aneurysm (or aneurism) is a bulge in a blood vessel that bursts usually near the brain. ... Tuberculosis (abbreviated as TB for Tubercle Bacillus) is a common and deadly infectious disease caused by the mycobacterium Mycobacterium tuberculosis or Mycobacterium bovis, which most commonly affects the lungs (pulmonary TB) but can also affect the central nervous system, lymphatic system, circulatory system, genitourinary system, bones and joints. ... A lesion is a non-specific term referring to abnormal tissue in the body. ... Hemorrhage (alternate spelling is Haemorrhage) is the medical term meaning bleeding. ...
References
van den Heuvel MM, van Rensburg JJ.. "Rasmussen's aneurysm" 355 (16): e17. (No subscription required to view page)