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Updated: Apr 28, 2026

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis
Published on: October 25, 2024
Multimodality imaging of aortitis
Gregory R Hartlage1, John Palios2, Bruce J Barron3
1Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia; Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia.
Insights
Multimodality imaging aids in diagnosing aortitis by detecting inflammation and structural changes. It
Area of Science:
- Cardiovascular Imaging
- Vascular Inflammation
- Aortitis Diagnosis
Background:
- Aortitis involves inflammation of the aorta, leading to mural and luminal changes.
- Complications include aneurysm, stenosis, dissection, and rupture.
- Accurate diagnosis and management are crucial for patient outcomes.
Purpose of the Study:
- To review multimodality imaging for diagnosing and managing aortitis.
- To highlight the role of imaging in identifying acute and chronic changes.
- To emphasize imaging's utility in guiding treatment and prognosis.
Main Methods:
- Review of current literature on imaging modalities for aortitis.
- Discussion of techniques like MRI, CT, and PET/CT.
- Focus on identifying inflammatory and structural abnormalities.
Main Results:
- Multimodality imaging detects mural changes (inflammation, edema, fibrosis).
- Imaging characterizes luminal abnormalities (aneurysm, stenosis, occlusion).
- It identifies complications (dissection, rupture, thrombosis) and guides interventions.
Conclusions:
- Imaging is vital for diagnosing specific aortitis types (e.g., Takayasu arteritis).
- It establishes disease extent, informs prognosis, and monitors treatment response.
- Familiarity with imaging modalities optimizes patient care for aortitis spectrum disorders.
Abstract:
Multimodality imaging of aortitis is useful for identification of acute and chronic mural changes due to inflammation, edema, and fibrosis, as well as characterization of structural luminal changes including aneurysm and stenosis or occlusion. Identification of related complications such as dissection, hematoma, ulceration, rupture, and thrombosis is also important. Imaging is often vital for obtaining specific diagnoses (i.e., Takayasu arteritis) or is used adjunctively in atypical cases (i.e., giant cell arteritis). The extent of disease is established at baseline, with associated therapeutic and prognostic implications. Imaging of aortitis may be useful for screening, routine follow up, and evaluation of treatment response in certain clinical settings. Localization of disease activity and structural abnormality is useful for guiding biopsy or surgical revascularization or repair. In this review, we discuss the available imaging modalities for diagnosis and management of the spectrum of aortitis disorders that cardiovascular physicians should be familiar with for facilitating optimal patient care.
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