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Updated: Jun 9, 2026
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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
Published on: November 18, 2018
A left circum-aortic renal vein aneurysm.
Ta-Chin Lin1, Chang-Min Lin, Huang-Ching Chang
1Department of Surgery, Tri-Service General Hospital, Taipei, Taiwan.
American Journal of Surgery
|August 31, 2010
Summary
A rare renal vein aneurysm was incidentally discovered in a 36-year-old woman. This slow-flowing vascular lesion showed no growth or symptoms over 18 months of monitoring.
Area of Science:
- Vascular Surgery
- Diagnostic Imaging
- Renal Medicine
Background:
- Incidental discovery of vascular anomalies requires careful diagnostic evaluation.
- Renal vein aneurysms are rare but can pose diagnostic challenges.
Observation:
- A 36-year-old woman presented with an incidentally detected, well-defined, slow-flowing vascular lesion in the left renal hilar region via Doppler abdominal sonography.
- Magnetic resonance angiography revealed a saccular mass (3.5 x 3.1 x 2.5 cm) originating from the left renal vein to the inferior vena cava, embracing the aorta.
Findings:
- The vascular lesion was identified as a saccular aneurysm originating from the left renal vein.
- The aneurysm was noted to embrace the aorta, highlighting its anatomical relationship.
Implications:
- This case underscores the importance of advanced imaging in characterizing incidental vascular findings.
- Conservative management with periodic follow-up may be appropriate for asymptomatic, stable renal vein aneurysms.
- Understanding the anatomical relationship of such aneurysms is crucial for surgical planning, should intervention become necessary.
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