A UPJ obstruction can be defined as a restriction to the flow of urine from the renal pelvis to the ureter that, if left uncorrected, will lead to progressive renal deterioration. [1] UPJ ...
Ultrasonography and non-contrast CT are most commonly employed as the initial investigations, and these techniques demonstrate hydronephrosis with non-dilated ureter beyond the UPJ. The renal ...
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