Abstract
Extrarenal Wilms' tumour is rare and its imaging has received scant mention in the literature. We describe a 2-year-old boy with a firm mass in the right flank. CT, MRI and ultrasonography showed an inhomogeneous solid mass located in the retroperitoneum, which was separate from the right kidney. Angiography showed an enlarged right gonadal artery and irregularly tortuous vessels in the tumour similar to intrarenal Wilms' tumour (“spider leg” or “creeping vine” appearance). Histopathological examination confirmed an extrarenal Wilms' tumour.
References
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Suzuki, K., Miyake, H., Tashiro, M. et al. Extrarenal Wilms' tumour. Pediatr Radiol 23, 149–150 (1993). https://doi.org/10.1007/BF02012413
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DOI: https://doi.org/10.1007/BF02012413