pleuropulmonary blastoma
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Clinical- child, infant
- lung, pleura
Histology- type I
- multicystic
- lining: respiratory
- wall: small primitive undifferentiated cells
- type II
- sheets, plaques, nodules
- small primitive cells
- embryonal rhabdomyosarcoma
- spindle cells
- type III
Stains- vimentin+
- CK stains respiratory lining only
- muscle specific actin+
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