Ductus arteriosus aneurysm with left pulmonary artery obstruction
Daiji Takajo1,2, Daisuke Kobayashi1,2
1Division of Pediatric Cardiology, Children's Hospital of Michigan, Detroit, MI, USA.
Echocardiography (Mount Kisco, N.Y.)
|May 17, 2021
Summary
A rare echogenic mass in a newborn
Area of Science:
- Neonatal cardiology
- Pediatric cardiovascular imaging
Background:
- Echogenic masses in the pulmonary artery are uncommon in neonates.
- Differential diagnoses include thrombosis, aneurysm, and tumors.
Observation:
- A newborn presented with mild desaturation.
- Echocardiography revealed a large echogenic mass at the pulmonary bifurcation.
- The mass caused partial obstruction of the left pulmonary artery.
Findings:
- Cardiac CT and MRI confirmed a diagnosis of ductus arteriosus aneurysm (DAA).
- The DAA showed spontaneous regression by 4 months of age.
- No intervention was required.
Implications:
- This case highlights the importance of considering DAA in neonates with pulmonary artery masses.
- Spontaneous resolution of DAA is possible, obviating the need for intervention.
- Further research into DAA natural history and management is warranted.
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