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Pyonephrosis

Case contributed by: Dr Maulik S Patel

Presentation:

Backache, fever.

Patient Data:

Age: 35 yrs

Gender: Female

Race: Indian/Pakistani

From the case: Pyonephrosis

Modality: Ultrasound

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There is a calculus ( 16 x 15 mm ) noted in right renal pelvis causing gross hydronephrosis and parenchymal thinning. Parenchymal thickness is less than 2 mm at places. Pelvi-calyceal system shows fluid - debris levels with few tiny calculi. No air foci are noted. Parenchymal flow is preserved. No thrombosis of renal vein or artery is noted.

No calculus, back pressure changes or mass lesion is seen on left side.

Nephrostomy - Frank pus.