Solitary Pulmonary Metastasis Presenting 20 Years After Primary Resection of Wilms Tumor Joseph G. Parambil, MD, Gregory L. Aughenbaugh, MD, Telma C. Pereira, MD, Delmar J. Gillespie, MD, Jay H. Ryu, MD Mayo Clinic Proceedings Volume 80, Issue 11, Pages 1514-1516 (November 2005) DOI: 10.4065/80.11.1514 Copyright © 2005 Mayo Foundation for Medical Education and Research Terms and Conditions
FIGURE 1 Computed tomogram of the chest performed with intravenous contrast shows a sharply marginated solitary pulmonary mass (arrow) measuring 4.4 × 4.1 cm with heterogeneous attenuation. Mayo Clinic Proceedings 2005 80, 1514-1516DOI: (10.4065/80.11.1514) Copyright © 2005 Mayo Foundation for Medical Education and Research Terms and Conditions
FIGURE 2 Left, Low-power photomicrograph of metastatic Wilms tumor and adjacent lung parenchyma (hematoxylin-eosin, original magnification ×40). Right, High-power photomicrograph of the neoplasm shows the monomorphic population of small round to oval hematoxylinophilic cells with scant cytoplasm and overlapping nuclei with evenly distributed chromatin and small nucleoli, characteristic of the blastema pattern of Wilms tumor. Note mitotic figure in the center of the photomicrograph (hematoxylin-eosin, original magnification ×400). Mayo Clinic Proceedings 2005 80, 1514-1516DOI: (10.4065/80.11.1514) Copyright © 2005 Mayo Foundation for Medical Education and Research Terms and Conditions