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Bilateral kidney stones with ureteropelvic junction obstruction

Abstract

Background A 56-year-old male with bilateral flank pain was admitted following diagnosis of bilateral kidney stone disease. He had previously undergone four separate pyelolithotomy sessions (two per kidney), the latest being 14 years prior. At presentation the patient had two stones in the right kidney and seven in the left kidney. The right renal pelvis was dilated, indicating obstruction of the ureteropelvic junction.

Investigations Plain radiography, ultrasonography, intravenous pyelography, retrograde ureteropyelography and spiral tomography.

Diagnosis Bilateral kidney stones and obstruction of the right ureteropelvic junction.

Management Bilateral percutaneous nephrolithotomy and simultaneous right endopyelotomy; intraoperative antegrade nephrogram; preoperative and postoperative measurement of hemoglobin, blood urea nitrogen and creatinine; postoperative nephrostograms, plain X-ray, diuretic renogram and intravenous pyelography.

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Figure 1: (A) Plain X-ray showing stones (white arrows) in both kidneys.
Figure 2
Figure 3: (A) Postoperative residual stones (arrows) and endopyelotomy stent.

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Correspondence to Ahmet Soylu.

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The authors declare no competing financial interests.

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Soylu, A., Uğraş, Y., Güneş, A. et al. Bilateral kidney stones with ureteropelvic junction obstruction. Nat Rev Urol 2, 351–354 (2005). https://doi.org/10.1038/ncpuro0231

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