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Table 3 Renal ultrasound results for acute kidney injury

From: Clinical utility of gray scale renal ultrasound in acute kidney injury

  (n= 810)
No abnormalities 500 (61.7)
Hydronephrosis 42 (5.2)
  Unilateral 21 (2.6)
  Bilateral 21 (2.6)
Nephrolithiasis 19 (2.3)
  Obstructive 1 (0.1)
  Non-obstructive 17 (2.1)
  Staghorn 1 (0.1)
Renal parenchymal abnormality (not echogenicity) 49 (6.0)
Increased renal parenchymal echogenicity 320 (39.5)
Anatomic urinary tract abnormality 8 (1.0)
Simple cysts 101 (12.5)
Complex cysts 7 (0.9)
Renal mass 9 (0.9)
Mass of GU tract 1 (0.1)
Other abdominal mass 2 (0.2)
Renal enlargement 6 (0.7)
Renal atrophy or cortical thinning 25 (3.1)
Absence of kidney (whole or partial, congenital or acquired) 13 (1.6)
Pelvic kidney 0 (0)
Horseshoe kidney 1 (0.1)
  1. Data are presented as n (%).
  2. Abbreviation: GU genitourinary.