How is epithelial nephroblastoma differentiated from Wilms tumor on imaging?

Updated: Mar 04, 2019
  • Author: Ali Nawaz Khan, MBBS, FRCS, FRCP, FRCR; Chief Editor: Eugene C Lin, MD  more...
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Epithelial nephroblastomatosis, or cystic Wilms tumor, is less malignant than Wilms tumor and may appear cystic or papillary. In its benign form, it gives rise to a multilocular cystic renal disease. Ultrasonographic and CT findings do not help in predicting the degree of malignancy.

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