Renal calyx rupture secondary to obstructive uropathy due to ureteric calculus
Presentation
Left-sided abdominal pain, from loin to groin. Dysuria.
Patient Data
CT KUB
Calyces mildly dilated in the left kidney. Extravasation of contrast material is identified from a tiny defect in upper pole calyx of left kidney, extending downwards and medially along the left ureter.
Profuse fat stranding is noted in left perinephric space extending along left ureter, accompanied by numerous enlarged discrete lymph nodes on both sides of infra-renal abdominal aorta.
Left ureter is mildly dilated (6 mm), with focal strictures at pelviureteric junction (PUJ), L4, L5 and S1 levels.
Tiny calculus (2 mm) is impacted in left ureter just proximal to the vesicoureteric junction (VUJ).
Case Discussion
This is a case of urinoma after rupture at the upper calyx of the left kidney. Mild left hydroureteronephrosis due to tiny calculus in the left VUJ and ureteric strictures at multiple levels is keeping with urinary obstruction as the cause.
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