{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T21:36:30Z","timestamp":1790285790246,"version":"4.1.0"},"reference-count":20,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,5,27]],"date-time":"2025-05-27T00:00:00Z","timestamp":1748304000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Med Imag Rad Onc"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To identify the pattern of growth of true renal artery aneurysms (RAA) in a multicentre cohort and to propose an algorithm for the follow\u2010up of asymptomatic RAA.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective review of all patients identified to have true RAA with subsequent follow\u2010up cross\u2010sectional imaging at three centres over a 15\u2010year period was performed. Aneurysm maximal diameter was measured on initial and latest imaging and growth pattern assessed by two radiologists in consensus.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 155 patients with 171 aneurysms were identified with follow\u2010up imaging. Mean initial aneurysm size was 1.27\u2009cm (range 0.3\u20133.4\u2009cm) with a mean follow\u2010up time of 61.08\u2009months (range 12\u2013182.5\u2009months). 159 (93%) aneurysms remained stable in size over time. Overall mean growth rate was 0.015\u2009cm\/y. RAA \u2264\u20091.5\u2009cm at diagnosis were associated with significantly lower mean growth rates (0.01\u2009cm\/year; <jats:italic>p<\/jats:italic>\u2009=\u20090.0059). No RAA rupture occurred during the follow\u2010up period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The present study demonstrates an indolent course of RAA with no ruptures reported and stability over time demonstrated in 93% of a multicentre cohort. These findings are in agreement with multiple other published studies. A positive impact on cost, equity of resources, and cumulative radiation exposure with rationalisation of RAA surveillance warrants its consideration, particularly in low risk cohorts.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1754-9485.13869","type":"journal-article","created":{"date-parts":[[2025,5,27]],"date-time":"2025-05-27T19:44:53Z","timestamp":1748375093000},"page":"462-467","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Natural History of True Renal Artery Aneurysms: A Multi\u2010Centre Retrospective Cohort Study and Proposed Algorithm for Follow\u2010Up"],"prefix":"10.1111","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1844-9426","authenticated-orcid":false,"given":"Hayley","family":"Briody","sequence":"first","affiliation":[{"name":"Department of Radiology Beaumont Hospital  Dublin 9 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