Renal calyceal rupture secondary to congenital pelviureteric junction obstruction

Case contributed by Kerry Liu

Presentation

Few days history of sudden onset epigastric and left sided abdominal pain

Patient Data

Age: 30 years
Gender: Male

Severe hydronephrosis of the left kidney. Marked thinning of the renal cortex with evidence of rupture.

Perinephric collection with extension into the retroperitoneal space, tracking along the left paracolic gutter.

Beak-like narrowing of the dependent portion of the left renal pelvis without evidence of an obstructing calculus, lesion or distal hydroureter.

Case Discussion

This is a case of spontaneous renal rupture/pyelosinus backflow in an otherwise well individual with no previous medical history. There was no preceding trauma or presence of radiopaque renal calculi to suggest a cause of the injury. The severe global thinning of the left renal cortex is consistent with a chronic obstructive uropathy.

A stent was inserted under cystoscopy by urology. Overall imaging and intraoperative findings were consistent with congenital pelviureteric junction obstruction as a cause of the rupture.

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Case information

rID: 78216
Published: 6th Jun 2020
Last edited: 21st Mar 2021
System: Urogenital
Inclusion in quiz mode: Included
Institution: Monash Health

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