Pediatric Lung Metastasis

  • Etiology: most commonly due to Wilms tumor / rhabdomyosarcoma / Ewing sarcoma / osteosarcoma, less commonly due to lymphoma / neuroblastoma / synovial cell sarcoma / testicular cancer
  • Imaging: usually soft tissue nodule, osteosarcoma metastasis can cause pneumothorax + can be calcified

Radiology Cases of Lung Metastasis

CXR of lung metastasis in Wilms tumor
CXR PA shows a large round opacity just lateral to the left pulmonary artery which is located anteriorly on the lateral view.