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Abstract
Wilms tumor, the most common solid childhood malignancy, is frequently associated
with pulmonary metastases, while hepatic metastases occur less frequently. Metastases
to the lower lobes of the lungs, when deep in the costophrenic sulcus, may simulate
an intraabdominal mass. The differentiation of these lesions is important both diagnostically
and therapeutically. Three cases are presented in whom pulmonary sulcus metastases
simulated abdominal lesions on computed tomography and could not be clearly localized
as thoracic in origin on liver/spleen scintigraphy. Ultrasound evaluation was the
most useful; however, integration with other imaging techniques was necessary to correctly
identify these lesions as being of pulmonary origin.
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© 1987 Published by Elsevier Inc.
