Table 1.

Ultrasonographic and radiographic criteria

Criterion	Value recorded
Renal length	mm
Pelvic diameter	mm
Subjective renal size	Normal; small; enlarged
Subjectively dilated pelvis	No; slight; marked
Subjectively dilated ureter	No; slight; marked
Renal shape	Normal; irregular; asymmetric; rounded; nodular; renal mass
Cortical scars	None; slight; marked
Echogenicity cortex	Normal; increased; heterogeneous
Echogenicity medulla	Normal; increased; heterogeneous; medullary rim sign; loss of corticomedullary differentiation
Perinephric fluid	None; slight; marked
Peritoneal fluid	None; slight; marked
Calculi in kidney	None; single; multiple
Calculi in ureter	None; single; multiple
Calculi in bladder	None; single; multiple
Calculi on radiographs	None; renal; ureteral; bladder
Pyelogram	Normal; abnormal, non-obstructed; obstructed
Other findings	Single renal cyst; polycystic renal disease