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Fluid-filled cystic adenomatoid malformation
AJR. American Journal of Roentgenology
|August 1, 1977
Summary
Congenital cystic adenomatoid malformation of the lung in infants can initially appear solid on X-rays. This solid appearance resolves as alveolar fluid drains, revealing typical air-filled cysts.
Area of Science:
- Pediatric Radiology
- Thoracic Surgery
- Neonatal Medicine
Background:
- Congenital cystic adenomatoid malformation (CCAM) is a rare congenital lung malformation.
- CCAM can present with diverse imaging findings, posing diagnostic challenges.
Observation:
- Two infants with CCAM exhibited an unusual initial solid radiographic appearance.
- This solid presentation evolved into the more characteristic air-filled cystic CCAM over time.
Findings:
- The initial solid appearance is attributed to delayed alveolar fluid clearance.
- Fluid drainage occurs via bronchial, lymphatic, or circulatory pathways.
- Resolution of fluid reveals classic intrapulmonary cysts.
Implications:
- Understanding this dynamic imaging progression is crucial for accurate CCAM diagnosis in neonates.
- Early recognition of evolving CCAM can guide timely clinical and surgical management.
- This highlights the importance of serial imaging in evaluating congenital lung abnormalities.