Atypical pulmonary metastases in children: the spectrum of radiologic findings

Pulmonary nodules present a diagnostic challenge when they appear as atypical metastases in pediatric oncology patients. Chest computed tomography (CT) is the primary imaging modality for assessing lung nodules. In pediatric populations, Wilms tumor and osteosarcoma are the cancers most likely to pr...

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Bibliographic Details
Published in:Pediatric radiology 2021-09, Vol.51 (10), p.1907-1916
Main Authors: Scolnik, Michal, Glozman, Luda, Bar-Yoseph, Ronen, Gur, Michal, Toukan, Yazeed, Bentur, Lea, Ilivitzki, Anat
Format: Article
Language:English
Subjects:
Biomedical materials
Bone cancer
Children
Computed tomography
Diagnostic systems
Differential diagnosis
Imaging
Lung cancer
Lung nodules
Lungs
Medicine
Medicine & Public Health
Metastases
Metastasis
Neuroradiology
Nodules
Nuclear Medicine
Oncology
Osteosarcoma
Pathogenesis
Pediatrics
Pictorial Essay
Radiology
Sarcoma
Ultrasound
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Summary:Pulmonary nodules present a diagnostic challenge when they appear as atypical metastases in pediatric oncology patients. Chest computed tomography (CT) is the primary imaging modality for assessing lung nodules. In pediatric populations, Wilms tumor and osteosarcoma are the cancers most likely to produce pulmonary metastasis, both typical and atypical. This pictorial essay provides a thorough description of the specific radiologic features of atypical pediatric pulmonary metastases, and their pathogenesis and differential diagnosis. We also address diagnostic approaches to incidental lung nodules in healthy children found in the literature. Our aim is to help radiologists identify atypical lung metastases on CT, ensuring that children receive prompt, and potentially lifesaving, treatment.
ISSN:0301-0449
1432-1998
DOI:10.1007/s00247-021-05035-6