Abstract
Four cases of circumferential perirenal urinoma in patients with cancer are described. Intravenous urography showed evidence of apparent renal enlargement. In 1 case, opacification of extravasated urine was dense enough to be seen on the urogram, and the diagnosis was confirmed by computed tomography (CT). In the other cases, sonography followed by CT diagnosed urinoma, after tumor invasion had been suggested because of the pseudonephromegaly. Ureteral obstruction was demonstrated in all cases, due to retroperitoneal adenopathy in 1 case and to pelvic tumor in the other 3. Sonography or CT is required for the diagnosis of circumferential perirenal urinoma mimicking nephromegaly urographically.
Similar content being viewed by others
References
Reeder MM, Felson B:Gamut in Radiology. Cincinnati: Audiovisual Radiology of Cincinnati, 1975
Shirkhoda A: Computed tomography of perirenal metastases.J Comput Assist Tomogr 10:435–438, 1986
Pummill CL: Lesions involving the perirenal space.Semin Roentgenol 16:237–238, 1981
Feinstein KA, Fernback SK: Septated urinomas in the neonate.AJR 149:987–1000, 1987
Case records of the Massachusetts General Hospital.N Engl J Med 306:975–984, 1982
Feuerstein IM, Zeman RK, Jaffe MH, Clark LR, David CL: Perirenal cobwebs: the expanding CT differential diagnosis.J Comput Assist Tomogr 8:1128–1130, 1984
Dunnick NR, Long JA Jr, Javadpour N: Perirenal extravasation of urographic contrast medium demonstrated by computed tomography.J Comput Assist Tomogr 4:538–539, 1980
McCullough DC: Renal hamartoma.Urology 4:235–240, 1974
Moorhead JD, Fritzchep, Hadley HL: Management of hemorrhage secondary to renal angiomyolipoma with selective arterial embolization.J Urol 117:122–123, 1977
Levine E, Grantham JJ, MacDougall ML: Spontaneous subcapsular and perinephric hemorrhage in end-stage kidney disease: clinical and CT findings.AJR 148:755–758, 1987
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Tien, R., Shirkhoda, A. & David, R. Circumferential perirenal urinoma mimicking nephromegaly on urography. Urol Radiol 11, 92–96 (1989). https://doi.org/10.1007/BF02926484
Issue Date:
DOI: https://doi.org/10.1007/BF02926484