Cystic lung lesions (pediatric)

Cystic lesions in pediatric patients are usually congenital lesions and, as such, can be seen antenatally and following delivery.



These congenital lesions are predominantly covered by the overarching diagnosis of bronchopulmonary foregut malformation. This is a heterogeneous group of conditions that result from embryonic foregut maldevelopment and comprises:

In addition, conditions outwith this spectrum also cause cystic lung lesions:

It is important to remember that there are other causes of cystic lesions on a chest x-ray, including:


Of course, even though the majority of cases are congenital, there are plenty of examples of cystic lung lesions that are acquired:

Article information

rID: 22517
Section: Gamuts
Synonyms or Alternate Spellings:
  • Cystic lung lesion in a child
  • Paediatric cystic lung lesions

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Cases and figures

  • Case 1 : CPAM
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  • Case 2: CPAM
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  • Case 3: congenital lobar overinflation
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  • Case 4: pulmonary interstitial emphysema
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  • Case 5: pneumatoceles
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