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Case Reports
. 2012 Nov;53(11):1187-90.

Ultrasound-guided percutaneous antegrade pyelography with computed tomography for the diagnosis of spontaneous partial ureteral rupture in a dog

Swan Specchi  1 , Giuseppe Lacava, Marc-André d'Anjou, Eric Zini, Edoardo Auriemma
Affiliations
Case Reports

Ultrasound-guided percutaneous antegrade pyelography with computed tomography for the diagnosis of spontaneous partial ureteral rupture in a dog

Swan Specchi et al. Can Vet J. 2012 Nov.

Abstract
in English, French

A 10-year-old spayed female dalmatian dog developed acute vomiting and abdominal pain. Ultrasound examination of the abdomen showed right hydronephrosis and proximal ureter dilation with mild retroperitoneal free fluid. Computed tomography (CT) of the abdomen confirmed the ultrasonographic findings and revealed, additionally, a right ureteral stone. Spontaneus rupture of the right ureter was confirmed with CT post ultrasound-guided percutaneous antegrade pyelography. Pyeloureteral rupture and the presence of a ureteral stone were confirmed at surgery.

Pyélographie antégrade percutanée guidée par échographie avec tomodensitométrie pour le diagnostic d’une rupture urétrale partielle spontanée chez un chien. Une chienne Dalmatien stérilisée âgée de 10 ans a manifesté des vomissements et de la douleur abdominale aigus. Une échographie de l’abdomen a montré de l’hydronéphrose à droite et une dilatation proximale de l’urètre avec un peu de liquide rétropéritonéal libre. Une tomodensitométrie de l’abdomen a confirmé les résultats de l’échographie et a révélé, en plus, un calcul urétéral droit. Une rupture spontanée de l’urètre droit a été confirmée par tomodensitométrie après une pyélographie antégrade percutanée guidée par échographie. La rupture pyélo-urétérale et la présence de calcul urétéral ont été confirmées à la chirurgie.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Transverse computed tomographic image of the mid abdomen. A 1.2 cm hyperattenuating (581 HU) calculus is visible at the level of the proximal ureter (arrowhead). Note the presence of free fluid in the retroperitoneal space, which appears as curvilinear hyperattenuating bands of variables thickness in the retroperitoneal fat (arrow). RK — right kidney, LK — left kidney, S — spleen.
Figure 2
Figure 2
Transverse computed tomographic image after intravenous pyelography (15 min delayed acquisition). Note the irregular margins of the right kidney and the heterogeneous contrast enhancement of the right kidney affected by hydronephrosis. RK — right kidney, P — renal pelvis, S — spleen.
Figure 3
Figure 3
Transverse computed tomographic image after percutaneous ultrasound-guided antegrade pyelography. Note the leakage of contrast medium in the retroperitoneal space (arrowhead). RK — right kidney, LK — left kidney, P — renal pelvis.
Figure 4
Figure 4
Dorsal multiplanar reconstruction image after percutaneous ultrasound-guided antegrade pyelography. Contrast medium is visible inside the right ureter distal to the stone, confirming that the obstruction was not complete. Note the point of leakage at the level of the junction between the renal pelvis and the ureter (arrowhead). RK — right kidney, U — ureter, C — calculus, P — renal pelvis.
See this image and copyright information in PMC

References

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