“…Renal failure is an uncommon manifestation of sarcoidosis, and can result from arteriolar nephrosclerosis, hypercalcemia, nephrocalcinosis, interstitial nephritis and glomerulonephritis; conversely, renal granulomatous inflammation, though present in up to 40% of autopsy studies, is an uncommon cause of renal failure [165]. Vitamin D replacement and malignancy can impair further renal function, leading to hypercalcemia and nephrocalcinosis [166,167].…”