Severe long-standing hydronephrosis

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain


Right flank fullness on physical exam. Microscopic hematuria.

Patient Data

Age: 55 years
Gender: Male

Severe hydronephrosis and marked renal parenchymal atrophy are seen in the right side due of a 32 mm stone which is located in the renal pelvis and ureteropelvic junction. In addition, several small stones are noted in the dependent part of the right renal collecting system.

A 6 mm small cyst is noted in the left liver lobe.

A few subcentimeter simple cortical cysts are seen in the left kidney.

Case Discussion

Severe long-standing hydronephrosis secondary to the large pelvic and ureteropelvic junction stone causes marked renal parenchymal atrophy.

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