What is the most likely diagnosis?
- Premature newborn with respiratory distress
Chest Radiographs Obtained on Days 2 and 3
- Neurenteric cyst
- Pericardial cyst
- Congenital cystic adenomatoid malformation
- Diaphragmatic hernia
- Cystic fibrosis
Additional Images - Axial CT scan of chest
Additional Images
Axial CT scan of chest
Answer:
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3. Congenital Cystic Adenomatoid Malformation
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Congenital Cystic Adenomatoid Malformation
General Considerations
- Developmental hamartomatous abnormality with cyst production
- 25% of all congenital lung lesions
- Communicate with the tracheobronchial tree
- Usually receives blood supply from pulmonary circulation and drains to pulmonary circulation
- Types II and II may be associated with extralobar sequestration and receive systemic supply
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