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Updated: May 4, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
Published on: January 13, 2023
Inferior vena cava aneurysm in an infant presenting with a renal mass
José L Unzueta-Roch1, Miriam García-Abós, Sara Sirvent-Cerdá
1*Pediatric Intensive Care Unit Departments of †Pediatric Oncology & Hematology ‡Radiology ∥Surgery §Pathology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain.
Inferior vena cava aneurysm is rare in children. This case highlights a 5-month-old infant initially suspected of having a renal tumor, but diagnosed with vena cava aneurysmal dilatation.
Area of Science:
- Pediatric Cardiology
- Vascular Surgery
- Pediatric Radiology
Background:
- Aneurysm of the inferior vena cava (IVC) is an exceptionally rare condition in infants and children.
- Prompt diagnosis and management are crucial for pediatric vascular anomalies.
Observation:
- A 5-month-old infant presented with anemia, hypertension, and dehydration.
- Imaging studies including ultrasound and MRI revealed a renal mass, initially raising suspicion for a renal tumor.
Findings:
- Histopathologic review of the surgical specimen confirmed the mass was an aneurysmal dilatation of the inferior vena cava, not a renal tumor.
- This case underscores the importance of considering rare vascular anomalies in pediatric differential diagnoses.
Implications:
- Accurate diagnosis of IVC aneurysms in pediatric patients is vital to prevent misdiagnosis and ensure appropriate treatment.
- Further research into the etiology and optimal management of pediatric IVC aneurysms is warranted.
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