CTICasesChronic Lithium Nephropathy
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Imaging findings
A coronal T2 chest MRI, performed for aortic dissection rule-out, incidentally revealed innumerable tiny renal cysts bilaterally. These characteristic cysts are consistent with chronic lithium nephropathy.
Key takeaways
Chronic lithium use, commonly for bipolar disorder over decades, can lead to nephropathy characterized by multiple tiny renal cysts, often progressing to renal impairment or end-stage renal disease. This case serves as an excellent example of an incidental but significant finding on chest imaging, underscoring the importance of evaluating all visualized organs.
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