SFU Grading of Infant Hydronephrosis

 

 

Pattern of renal sinus splitting

IVP Appearance

Ultrasound Variants

SFU Grade 0

No splitting

 

TO BE

ADDED

 

 

 

 

SFU Grade 1

 

Urine in pelvis barely splits sinus

TO BE

ADDED

 

 

 

 

 

SFU Grade 2

 

Urine fills intrarenal pelvis

 

 

 

 

 

 

SFU Grade 2

Colorized

Explanation

Urine fills extrarenal pelvis major calyces

Dilated

 

 

 

 

 

 

SFU Grade 3

Colorized

Explanation

SFU Gr 2 and

minor calyces

uniformly dilated and

parenchyma

preserved

 

 

 

 

 

 

SFU Grade 4

 

SFU Gr 3 and

parenchyma

thin

 

 

 

 

 

 

 

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