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Published on: February 27, 2026
[Pulmonary artery compression by a mediastinal tumor]
T Hugues1, F Lemoigne, C-H Marquette
1Service de cardiologie, hôpital Pasteur, CHU de Nice, 30, avenue de Voie-Romaine, 06000 Nice, France. etiennepuymirat@yahoo.fr
Acquired pulmonary artery stenosis in adults is rare. This case highlights anterior mediastinal nonseminomatous germ cell tumors (GCTs) compressing pulmonary arteries, diagnosed via echocardiography and CT scan.
Area of Science:
- Cardiology
- Thoracic Oncology
- Diagnostic Imaging
Background:
- Acquired arterial pulmonary stenosis is an uncommon condition in adults.
- Mediastinal tumors are implicated as a cause of pulmonary artery compression.
Observation:
- A young patient presented with chest pain.
- Transthoracic echocardiography and CT scan revealed compression of the main and left pulmonary artery.
Findings:
- The compression was caused by an anterior mediastinal nonseminomatous germ cell tumor (GCT).
- This case demonstrates a rare etiology for pulmonary artery stenosis in young adults.
Implications:
- Highlights the importance of considering mediastinal masses in the differential diagnosis of pulmonary artery stenosis.
- Emphasizes the utility of advanced imaging in diagnosing extrinsic vascular compression.
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