Calyceal diverticulum

Case contributed by Dr Hidayatullah Hamidi


Recurrent urinary tract infection and right flank dull pain for last 3 years.

Patient Data

Age: 30 years
Gender: Female

Plain radiograph shows faint curvilinear opacity in the right renal region. Intravenous urography image in the pyelogram phase (5 minutes after IV contrast injection) shows stretching upper and middle calyxes. Delayed images (after 90 minutes and 3 hours) shows well opacification of a large calyceal diverticulum.


Trans abdominal ultrasound shows large cystic structure in the middle portion of right kidney with mobile, hyper-echoic material in the dependent portion (milk of calcium).

Case Discussion

A calyceal diverticulum is a urine-containing cystic cavity communicating with the collecting system via a narrow isthmus. It can be diagnosed as an incidental finding or can be symptomatic.

PlayAdd to Share

Case information

rID: 50790
Published: 23rd Jan 2017
Last edited: 14th Aug 2019
System: Urogenital
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.