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Pseudocoarctation of the aorta--a case report.
Japanese Journal of Medicine
|July 1, 1990
Summary
Pseudocoarctation of the aorta, a rare aortic condition, can present as a mediastinal mass. Magnetic resonance imaging (MRI) effectively diagnosed this case, highlighting the aortic "kink" without true coarctation.
Area of Science:
- Cardiovascular Medicine
- Diagnostic Imaging
- Radiology
Background:
- Pseudocoarctation of the aorta is a rare congenital anomaly.
- It can be asymptomatic or present with complications.
- A superior mediastinal mass on chest roentgenogram can be an unusual presentation.
Observation:
- A 43-year-old woman presented with a superior mediastinal mass identified on a chest roentgenogram.
- Further evaluation involved computed tomography (CT), magnetic resonance imaging (MRI), and digital subtraction angiography (DSA).
Findings:
- Imaging revealed a characteristic "kink" in the aorta, consistent with pseudocoarctation.
- No other congenital anomalies or aneurysms were detected below the kinked segment.
- MRI proved particularly effective in visualizing the aortic "kink" in the sagittal plane, differentiating it from true coarctation.
Implications:
- This case highlights the importance of considering pseudocoarctation of the aorta in the differential diagnosis of superior mediastinal masses.
- Advanced imaging modalities like MRI are crucial for accurate diagnosis and characterization of aortic abnormalities.
- Understanding the imaging features of pseudocoarctation is essential for appropriate patient management and avoiding misdiagnosis.