FIG. 1:
Histology of a metastatic abdominal malignant rhabdoid tumor. A: Hematoxylin and eosin staining (magnification ×60) demonstrates the presence of rhabdoid cells. B: Loss of SMARCB1 is seen by immunohistochemistry (magnification ×40). (Reprinted with permission from Dr. Bruce Pawel, Department nof Pathology & Laboratory Medicine, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania.)