Spontaneous active bleeding into a cyst in autosomal dominant polycystic renal disease

Case contributed by Dr Chris O'Donnell

Presentation

Known ADPKD. Recurrent episodes of loin/flank pain. Now severe right loin/flank pain. No history of trauma.

Patient Data

Age: 65 years
Gender: Male

Typical polycystic disease involving the kidneys and liver. Hyperdense right posterior renal cyst with contrast extravasation in the parenchymal phase (no collecting system contrast) into the cyst indicative of active bleeding at the time of scanning.  This is an unusual finding.

Case Discussion

Bleeding into the renal cysts of ADPKD is well recognized and a cause of recurrent flank pain.  It occurs more commonly than in simple renal cysts.  Bleeding usually settles spontaneously but occasionally can progress leading to cyst rupture and bleeding into the perirenal spaces and even hemoperitoneum.  Demonstration of active bleeding may prompt more aggressive treatment such as catheter arterial embolization in order to avoid cyst rupture.

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Case information

rID: 41700
Published: 15th Dec 2015
Last edited: 7th Sep 2020
System: Urogenital
Tag: kidney
Inclusion in quiz mode: Included

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