Calyceal diverticulum

Case contributed by Dr Mostafa Mahmoud El Feky

Presentation

Left flank pain

Patient Data

Age: 40
Gender: Male
CT

CT urography

The left kidney shows a middle zonal partially exophytic renal cyst measuring 4 cm, showing dependent dense calcific precipitate (milk of calcium). This density increases in the delayed phase by excreted contrast accumulation. Thread like connection to the middle calyx that may be the diverticular connection or a compressed nearby minor calyx.

Case Discussion

The radiological features are representing mostly renal milk of calcium within a renal cyst in non-contrast phase. In excretory phase, the accumulation of contrast within the cyst augmenting the size of the dependent density represents a communication to the renal calyceal system and so it is considered as a calyceal diverticulum.

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Case information

rID: 56402
Case created: 30th Oct 2017
Last edited: 9th Nov 2017
System: Urogenital
Inclusion in quiz mode: Included
Institution: DAR ELASHAA center

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