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Copyright: ©Author(s) 2026.
World J Nephrol. Jun 25, 2026; 15(2): 118229
Published online Jun 25, 2026. doi: 10.5527/wjn.v15.i2.118229
Table 2 Practical ultrasound features in differentiating acute vs chronic glomerulonephritis1
Parameter
Acute GN/AKI
Chronic GN/CKD
Key differentiating feature
Kidney sizeNormal or enlargedDecreased renal length (< 8 cm)Enlarged = acute; small = chronic
Cortical thicknessMay be normal or increasedReduced Thinning indicates chronic damage
EchogenicityIncreased (infiltrates/edema)Increased (fibrosis/sclerosis)Alone non-specific; paired with size aids differential diagnosis
Corticomedullary differentiationMay be increased, Preserved or increasedOften reduced or lostLoss of differentiation implies chronicity


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