Multimodality imaging and 3D-printing of a thoraco-abdominal aortic aneurysm eroding into the spine

A rare case of a previously treated thoraco-abdominal aortic aneurysm eroding into the thoracic spine is described. Initially, several follow-up CT angiography scans showed an increasing aneurysm sack, but no endoleak could be depicted. Then, a new rapidly developing erosion into the thoracic spine...

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Bibliographic Details
Published in:Radiology case reports 2023-02, Vol.18 (2), p.657-660
Main Authors: Winkel, David J., Mujagic, Edin, Staub, Daniel, Harder, Dorothee, Bremerich, Jens, Obmann, Markus M.
Format: Article
Language:English
Subjects:
Case Report
Computed tomography angiography
Follow-Up Studies
Magnetic resonance imaging
Printing
Stents
Three-dimensional
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Description
Summary:A rare case of a previously treated thoraco-abdominal aortic aneurysm eroding into the thoracic spine is described. Initially, several follow-up CT angiography scans showed an increasing aneurysm sack, but no endoleak could be depicted. Then, a new rapidly developing erosion into the thoracic spine was noted. MRI imaging excluded any other underlying infectious or malignant process. Additional contrast-enhanced ultrasound excluded an endoleak. A 3D-printed model of the aneurysm and spine and cinematic renderings were created to improve visualization. She underwent relining of the thoracic stent graft. Follow-up imaging showed a stable aneurysm size and no progression of the vertebral erosions.
ISSN:1930-0433
1930-0433
DOI:10.1016/j.radcr.2022.11.020