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Echogenic Kidneys CKD Ultrasound — ESENeph MCQ

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EasyChronic Kidney DiseaseEchogenic Kidneys CKD UltrasoundESENeph

A 45-year-old woman with CKD G3b has a kidney ultrasound showing bilateral echogenic kidneys with loss of corticomedullary differentiation. What does this appearance suggest?

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Correct answer: B — Increased renal echogenicity with loss of corticomedullary differentiation is a non-specific finding indicating chronic parenchymal disease (fibrosis, inflammation, or infiltration) – it does not identify the specific cause of CKD

Bilateral increased echogenicity with loss of corticomedullary differentiation on ultrasound is the characteristic appearance of chronic parenchymal kidney disease. It reflects increased interstitial fibrosis and parenchymal scarring. However, it is entirely non-specific – it cannot distinguish between diabetic nephropathy, chronic GN, hypertensive nephrosclerosis, or other causes. Small kidneys additionally suggest chronicity and irreversibility. Normal-sized echogenic kidneys may have a treatable cause (e.g. amyloidosis, diabetic nephropathy). The ultrasound helps exclude obstruction and cysts but does not provide a histological diagnosis.

Reference: NICE CG182 – CKD; Beland et al 2010 – Renal Echogenicity