Ultrasound Cases Logo
Search Cases

Case of the Month

December 2009

Patient Data: Male 65 year old

Clinical Info: Pain in the right flank with high fever and raised infection parameters


26396.jpg
Longitudinal image of the right kidney with an ill defined iso and hypoechoic mass in the kidney


26397.jpg
Transverse image of the right kidney. The mass is inhomogeneous with small cystic areas.


26398.jpg
Transverse image of the right kidney the mass has a target like appearance with a central hypoechoic area.


26399.jpg
Transverse image of the right kidney with color Doppler. There is no flow in the central hypoechoic area.


26400.jpg
Longitudinal image of the right kidney with color Doppler. There is a wedge shaped area without vascularity and a central hypoechoic area.


26401.jpg
Longitudinal image of the normal left kidney


26402.jpg
CT scan of the same lesion in the right kidney


26403.jpg
CT scan of the same lesion in the right kidney.

Although a mass in the kidney is always suspicious for a renal cell carcinoma, in this case the aspect of the mass and the clinical findings were more suggestive for a focal pyelonephritis with abscess formation. The follow up confirmed this diagnosis.

For more cases of renal infection and renal abscess see category

References
Vourganti S, Agarwal PK, Bodner DR, Dogra VS. Ultrasonographic evaluation of renal infections.Radiol Clin North Am. 2006 Nov;44(6):763-75. Review.

Copyright © Dr. T.S.A. Geertsma, Ziekenhuis Gelderse Vallei, Ede, The Netherlands. All rights reserved.

Developed by Prominent Media Web Development