Inflammatory abdominal aortic aneurysms: Diagnosis with gadolinium enhanced T1-weighted imaging

F Wallis, G H Roditi, T W Redpath, J Weir, K S Cross, F W Smith

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19 Citations (Scopus)


AIM: Inflammatory abdominal aortic aneurysms (IAAA) are a variant of abdominal aortic aneurysms, which are associated with an increased morbidity, The diagnosis of IAAA has traditionally been established with a combination of clinical and laboratory findings together with contrast enhanced CT. There is a high incidence of renal impairment in this group, and therefore contrast enhanced CT may be harmful,

PATIENTS AND METHODS: Five patients with IAAA underwent T1-weighted spin echo and gradient echo gadolinium enhanced abdominal MRI. A total of eight examinations were performed, including three patients who underwent repeat MRI following steroid therapy,

RESULTS: The inflammatory cuff was clearly identified following gadolinium administration in all eight examinations, The cuff enhanced homogeneously in all patients with no alteration in appearance following steroid therapy. The intravenous administration of gadolinium DTPA enabled clearer definition of locally involved structures,

CONCLUSION: Gadolinium enhanced MRI readily demonstrates features of IAAA. In view of potential renal impairment in this patient group, we recommend this technique in preference to contrast enhanced CT in the initial investigation of inflammatory abdominal aortic aneurysms. (C) 2000 The Royal CoIlege of Radiologists.

Original languageEnglish
Pages (from-to)136-139
Number of pages4
JournalClinical Radiology
Publication statusPublished - 2000


  • inflammatory abdominal aortic aneurysm
  • gadolinium
  • MRI


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