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Related Experiment Videos

Infradiaphragmatic pulmonary sequestration.

M A Sargent1, P C Liu, C R Smith

  • 1Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ont.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|June 1, 1992
PubMed
Summary
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Intra-abdominal pulmonary sequestration can appear as a suprarenal mass on antenatal ultrasound. Postnatal imaging, including Doppler ultrasound, helps identify feeding vessels in these rare cases.

Area of Science:

  • Medical Imaging
  • Pediatric Surgery
  • Radiology

Background:

  • Intra-abdominal pulmonary sequestration is a rare congenital anomaly where lung tissue is located outside the diaphragm.
  • It can present as an abdominal mass, often mimicking other suprarenal or abdominal pathologies.

Observation:

  • Two cases of antenatal ultrasonography (US) revealed an intra-abdominal pulmonary sequestration presenting as a suprarenal mass.
  • The suprarenal mass was echogenic in both cases; one also showed hypoechoic areas.

Findings:

  • Postnatal US and computed tomography (CT) identified feeding vessels within the suprarenal mass in one neonate.
  • Color-flow Doppler US proved advantageous in visualizing smaller feeding vessels.

Implications:

Related Experiment Videos

  • This presentation highlights the importance of considering pulmonary sequestration in the differential diagnosis of suprarenal masses found during antenatal imaging.
  • Advanced imaging techniques like Doppler US are crucial for characterizing these lesions and planning management.