Medullary sponge kidney on IVP

Case contributed by Dr Mohammad Taghi Niknejad


A patient presented with haematuria

Patient Data

Age: 40 years old
Gender: Male

Ectatic distal collecting ducts and  also dilated contrast filled intrapapillary tubules within the renal medulla are seen on intravenous pyelogram.

A case of Prof. Saeed Rad. Tabriz, Iran.

Case Discussion

The intravenous pyelogram shows ectatic distal collecting ducts containing the microcalcifications, forming the bouquet of flowers appearance.  If you look closer there are also dilated contrast-filled tubules within the renal medulla which is known as the paintbrush appearance. These findings are characteristic for medullary sponge kidney (MSK) on an intravenous pyelogram.

PlayAdd to Share

Case information

rID: 21065
Published: 2nd Jan 2013
Last edited: 16th Jul 2018
System: Urogenital
Inclusion in quiz mode: Included

Updating… Please wait.

Alert accept

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

Alert accept Thank you for updating your details.