Presentation
Deteriorating renal function. Background history of depression treated with lithium.
Patient Data
Age: 60 years
Gender: Male
From the case:
Lithium-induced nephropathy
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Representative images from renal ultrasound demonstrating bilateral poor corticomedullary differentiation.
Additionally there are numerous punctate echogenic foci seen throughout the renal parenchyma bilaterally, likely representing minute cysts.
No hydronephrosis or suspicious mass lesion.
Case Discussion
Lithium-induced renal disease has a unique imaging appearance of numerous uniform microcysts and punctate echogenic foci which may be cortical or medullary in origin.