{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T07:54:38Z","timestamp":1782287678387,"version":"3.54.5"},"reference-count":125,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T00:00:00Z","timestamp":1770681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tomography"],"abstract":"<jats:p>Background: Visceral artery aneurysms (VAAs) are rare but potentially life-threatening vascular lesions often clinically silent until rupture. The widespread use of advanced imaging has increased incidental detection, highlighting the need for accurate, noninvasive diagnostic strategies. Dual-Energy Computed Tomography Angiography (DECTA) offers potential advantages over conventional CT across diagnostic and post-treatment settings; however, its role in VAAs remains incompletely defined. This narrative review summarizes current evidence on DECTA applications in VAAs, focusing on diagnosis, emergency evaluation, and post-treatment follow-up. Methods: A non-systematic literature search of PubMed and Embase focusing on English-language articles up to June 2025 was performed. The search included peer-reviewed original research articles, systematic reviews, and meta-analyses addressing dual-energy CT and spectral CT in vascular and aneurysmal imaging. Case reports without technical data and non-English articles were excluded. Results: In the diagnostic phase, DECTA enhances tissue differentiation through virtual monoenergetic images, iodine maps, and material decomposition reconstructions. In the post-treatment setting, DECTA supports assessment after endovascular procedures, including coil embolization or stent graft placement. In VAAs, these techniques may improve aneurysm delineation, reduce metal artifacts after endovascular treatment, enable accurate detection of endoleaks or residual perfusion, and support volumetric follow-up. Virtual Non-Contrast images may reduce radiation exposure without compromising diagnostic confidence. Conclusions: DECTA represents a versatile imaging modality with potential benefits across the diagnostic, emergency, and post-treatment phases of VAA management. Although many applications are extrapolated from aortic and peripheral vascular disease, emerging evidence supports its growing clinical relevance. Further dedicated studies are needed to define its role in VAA-specific decision-making and follow-up.<\/jats:p>","DOI":"10.3390\/tomography12020022","type":"journal-article","created":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T15:23:14Z","timestamp":1770736994000},"page":"22","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Spectral Computed Tomography Angiography in Visceral Artery Aneurysms: Technical Principles and Clinical Applications"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7133-8509","authenticated-orcid":false,"given":"Laura Maria","family":"Cacioppa","sequence":"first","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"},{"name":"Division of Interventional Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7401-1971","authenticated-orcid":false,"given":"Michaela","family":"Cellina","sequence":"additional","affiliation":[{"name":"Radiology Department, ASST Fatebenefratelli Sacco, 20121 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giacomo","family":"Agliata","sequence":"additional","affiliation":[{"name":"Division of Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-8355-1020","authenticated-orcid":false,"given":"Francesco","family":"Mariotti","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicolo\u2019","family":"Rossini","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tommaso","family":"Valeri","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giangabriele","family":"Francavilla","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandro","family":"Felicioli","sequence":"additional","affiliation":[{"name":"Division of Interventional Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandra","family":"Bruno","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"},{"name":"Division of Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marzia","family":"Rosati","sequence":"additional","affiliation":[{"name":"Division of Interventional Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberto","family":"Candelari","sequence":"additional","affiliation":[{"name":"Division of Interventional Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chiara","family":"Floridi","sequence":"additional","affiliation":[{"name":"Department of Clinical, Special and Dental Sciences, University Politecnica delle Marche, 60126 Ancona, Italy"},{"name":"Division of Interventional Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"},{"name":"Division of Radiology, Department of Radiological Sciences, University Hospital \u201cAzienda Ospedaliera Universitaria delle Marche\u201d, 60126 Ancona, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1007\/s00270-023-03620-w","article-title":"CIRSE Standards of Practice for the Endovascular Treatment of Visceral and Renal Artery Aneurysms and Pseudoaneurysms","volume":"47","author":"Rossi","year":"2024","journal-title":"Cardiovasc. 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