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Saudi Journal of Kidney Diseases and Transplantation
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CASE REPORT Table of Contents   
Year : 1998  |  Volume : 9  |  Issue : 4  |  Page : 451-456
Sarcoidosis with Partial Reversibility of Renal Failure: Two Case Reports with Review of Literature

Department of Medicine, King Khalid University Hospital, Riyadh, Saudi Arabia

Correspondence Address:
Ahmed H Mitwalli
Department of Medicine, King Khalid University Hospital, Riyadh
Saudi Arabia
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PMID: 18408317

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Sarcoidosis is one of the granulomatus disorders affecting many organ systems of the body. Renal impairment in sarcoidosis is rare and occurs usually as a result of long standing hypercalcemia or hypercalciuria with nephrocalcinosis or renal stones. Sarcoid glomerulopathy and tubulo-interstitial granulomatus involvement have been described. We report two cases of sarcoidosis, the first with interstitial nephritis and anterior uveitis without evidence of granuloma. The patient was normocalcemic and normocalciuric. The second case presented with nephritic range proteinuria and severe renal insufficiency with a history of recurrent parotid swelling seven years before diagnosis. Renal biopsy showed non-caseating granulomas in the tubulo-interstitial region. Both patients showed good response to steroid therapy, however, there is still residual renal insufficiency six months after therapy. In conclusion, renal sarcoidosis although a rare presentation, should be considered in the presence of extra-renal manifestation of sarcoidosis as it is amenable to treatment.

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