| AN | acanthosis nigricans; acne neonatorum; acoustic neuroma; adult, normal; ala nasi; amyl nitrate; aneu... |
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| CAA | carotid audiofrequency analysis; cerebral amyloid angiopathy; circulating anodic antigen; Clean Air ... |
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |
| IAAA | inflammatory abdominal aortic aneurysm |
| IASA | interatrial septal aneurysm |
| cirsoid aneurysm | Dilation of a group of blood vessels owing to congenital malformation with arteriovenous shunting. Synonym: cirsoid varix, racemose aneurysm, racemose haemangioma. (05 Mar 2000) |
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| miliary aneurysm | Dilatation in the diameter of small arteries and arterioles secondary to lipohyalinosis from long-standing hypertension associated with intracerebral haematomas. Synonym: Charcot-Bouchard aneurysm. (05 Mar 2000) |
| compound aneurysm | An aneurysm in which some of the coats of the artery are ruptured, others intact. (05 Mar 2000) |
| congenital cerebral aneurysm | Localised dilation of a cerebral vessel; usually a berry aneurysm. (05 Mar 2000) |
| worm aneurysm | An aneurysm in horses caused by Strongylus vulgaris larvae; usually involving the mesenteric arteries. Synonym: worm aneurysm. (05 Mar 2000) |
| mural aneurysm | Thinning, stretching, and bulging of a weakened ventricular wall, usually as a result of myocardial infarction; rarely postinflammatory or congenital. Synonym: mural aneurysm, ventricular aneurysm. (05 Mar 2000) |
| consecutive aneurysm | An aneurysm that has enlarged and spread to the surrounding tissues in consequence of rupture of its walls. Synonym: consecutive aneurysm. (05 Mar 2000) |
| coronary aneurysm | Aneurysm of a coronary vessel. A coronary artery aneurysm is rarely congenital; it is usually due to atherosclerosis, inflammatory processes, or a coronary fistula. (12 Dec 1998) |
| coronary artery aneurysm | This refers to a dilation and weakness in the wall of a coronary artery. May occur as a consequence of Kawasaki disease. (27 Sep 1997) |
| mycotic aneurysm | <radiology> Aetiology, IV drug abuse, bacterial endocarditis (12%), immunocompromise (malignancy, EtOH, steroids, chemo, DM, etc.), S/P aortic valve surgery, CABG organism, S. Aureus (53%), Salmonella (33-50%), streptococcus Mycobacterium site, ascending aorta greater than visceral artery greater than intracranial artery greater than upper/lower extremity artery findings, saccular structure arising eccentrically from aortic wall, periaortic gas formation, adjacent vertebral osteomyelitis, adjacent reactive lymph node enlargement, life threatening hemmorhage (75%), 67% overall mortality (12 Dec 1998) |
| Pott's aneurysm | Dilation and tortuosity of a vein resulting from an acquired communication with an adjacent artery. Synonym: Pott's aneurysm, varix anastomoticus. (05 Mar 2000) |
| cylindroid aneurysm | The uniform dilation of an artery along a considerable distance. Synonym: cylindroid aneurysm. (05 Mar 2000) |
| saccular aneurysm | A saclike bulging on one side of an artery. Synonym: ampullary aneurysm. (05 Mar 2000) |
| heart aneurysm | An aneurysmal dilatation of a portion of the wall of the ventricle, usually the left, or, rarely, a saccular protrusion through it (false aneurysm of the heart). It is usually consequent to myocardial infarction but other causes such as bacterial endocarditis or trauma have been described. (12 Dec 1998) |
| hernial aneurysm | The protrusion of the stretched inner coats of an artery through a wound in the adventitia. (05 Mar 2000) |