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Renal angiomyolipomas: Typical and atypical features on computed tomography and magnetic resonance imaging

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dc.contributor.authorLabra, Andrés
dc.contributor.authorSchiappacasse, Giancarlo
dc.contributor.authorConstenla, Diego
dc.contributor.authorCristi, Joaquin
dc.date.accessioned2026-09-23T17:39:01Z
dc.date.available2026-09-23T17:39:01Z
dc.date.issued2025
dc.description.abstractAngiomyolipomas (AMLs) represent the most common benign solid renal tumors. The frequency of their detection in the general population is increasing owing to advances in imaging technology. The objective of this review is to discuss computed tomography (CT) and magnetic resonance imaging findings for both typical and atypical renal AMLs, along with their associated complications. AMLs are typically defined as solid triphasic tumors composed of varying amounts of dysmorphic and tortuous blood vessels, smooth muscle components and adipose tissue. In an adult, a classical renal AML appears as a solid, heterogeneous renal cortical mass with macroscopic fat. However, up to 5% of AMLs contain minimal fat and cannot be reliably diagnosed by imaging. Fat-poor AMLs can appear as hyperattenuating masses on unenhanced CT and as hypointense masses on T2WI; other AMLs may be isodense or exhibit cystic components. Hemorrhage is the most common complication, and AMLs with hemorrhage can mimic other tumors, making their diagnosis challenging. Understanding the variable and heterogeneous nature of this neoplasm to correctly classify renal AMLs and to avoid misdiagnosis of other renal lesions is crucial.
dc.description.versionVersión Publicada
dc.identifier.citationLabra, A., Schiappacasse, G., Constenla, D., & Cristi, J. (2025). Renal angiomyolipomas: Typical and atypical features on computed tomography and magnetic resonance imaging. World journal of radiology, 17(2), 104282. https://doi.org/10.4329/wjr.v17.i2.104282
dc.identifier.doihttps://doi.org/10.4329/wjr.v17.i2.104282
dc.identifier.urihttps://hdl.handle.net/11447/11174
dc.language.isoen
dc.subjectAngiomyolipoma
dc.subjectClassic angiomyolipoma-fat poor angiomyolipoma
dc.subjectKidney neoplasms
dc.subjectMagnetic resonance imaging
dc.subjectTomography
dc.subjectX-ray computed
dc.titleRenal angiomyolipomas: Typical and atypical features on computed tomography and magnetic resonance imaging
dc.typeArticle
dcterms.accessRightsAcceso Abierto
dcterms.sourceWorld journal of radiology
dspace.entity.typePublication
relation.isAuthorOfPublicationfad770f1-cff9-4846-bb25-17d6ca9c40d4
relation.isAuthorOfPublication5ac9eb4a-e34f-409f-ade0-d5611b41cefe
relation.isAuthorOfPublication.latestForDiscoveryfad770f1-cff9-4846-bb25-17d6ca9c40d4

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