Abstract:

A 42 yearold man presented with multiple lymphadenectasis，bilateral hilar adenopathy，anemia,hypercalcemia and nephrocalcinosis,and elevated angiotensinconverting level,as well as renal failure with tubular dysfunction.A renal biopsy showed numerous interstitial noncaseating wellformed granulomas with multinucleated giant cells called granulomatous interstitial nephritis.The final diagnosis was sarcoidosis.