Renal involvement in sarcoidosis displays a wide range of manifestations, and kidney dysfunction may involve all three mechanisms of renal failure. We report a new case of systemic sarcoidosis presenting as a severe renal failure due to hypercalcemia, sarcoidosis-related bilateral nephrolithiasis and granulomatous interstitial nephritis. A prostate adenocarcinoma was also diagnosed, but has to be regarded as an unrelated disease.
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