1)type1- single/multiple cysts2-10 cms in diameter(ciliated respiratory epithelium)
2)type2-multiple cysts <2 cms in diameter(cuboidal to columnar epithelium)
3)type3-essentially solid lesions with microcysts and gland like (adenomatoid)structure
Radiographic findings-
Variable appearance ,depending on the size of cysts
Solid to multicystic mass with variable amounts of air and fluid
May cause mass effect
On ct-
Used for characterization of lesion for pre surgical planning
To identify lesions diagnosed prenatally but not evident on chest x-ray
Cyst walls and solid components demonstrate variable enhancement
mass effect demonstrated as mediastinal shift or adjacent lung compression
Will demonstrate cystic spaces even in solid appearing masses on chest radiograph
No evidence of systemic arterial blood supply
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