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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
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Fate of intramural hematoma of the aorta: CT evaluation

E Sueyoshi1, Y Matsuoka, I Sakamoto

  • 1Department of Radiology, Nagasaki University School of Medicine, Japan.

Journal of Computer Assisted Tomography
|December 5, 1997
PubMed

Insights

Intramural aortic hematomas typically shrink, but can progress to aneurysm or dissection. Ulcer-like projections indicate early complications, while fusiform aneurysms may develop later. Close follow-up is essential.

Area of Science:

  • Cardiovascular imaging
  • Aortic pathology

Background:

  • Intramural hematoma (IMH) is a variant of aortic dissection.
  • Understanding IMH progression is crucial for patient management.

Purpose of the Study:

  • To investigate the natural history and outcomes of aortic intramural hematoma.
  • To identify imaging predictors of IMH evolution.

Main Methods:

  • Retrospective review of CT and MR imaging in 32 patients with IMH.
  • Regular follow-up imaging to assess changes and complications.

Main Results:

  • All IMHs showed size reduction during follow-up.
  • Ulcer-like projections (ULPs) were identified in 20 patients.
  • ULPs progressed to saccular aneurysms in 12 patients; fusiform aneurysms developed in 6 without ULPs; 2 cases progressed to aortic dissection.

Conclusions:

  • IMH itself usually resolves, but complications like aneurysms and dissection can occur.
  • Saccular aneurysms from ULPs are early complications; fusiform aneurysms are late complications.
  • Predicting IMH fate solely on initial imaging is challenging, necessitating diligent follow-up.
Abstract

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