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Updated: Aug 7, 2026

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Published on: September 1, 2015
Nephrotic syndrome and IgA nephropathy in polycystic kidney disease
Toru Hiura1, Hajime Yamazaki, Takako Saeki
1Department of Internal Medicine, Nagaoka Red Cross Hospital, 297-1 Terajima-machi, Nagaoka, Niigata, 940-2085, Japan.
Abstract:
A 70-year-old man with polycystic kidney disease developed nephrotic syndrome, deteriorating to renal insufficiency. Histological examination revealed IgA nephropathy. With treatment of prednisolone, an angiotensin-converting enzyme inhibitor, and an angiotensin II receptor-blocker, his proteinuria markedly decreased and renal function was stabilized. This case supports the idea that renal biopsy is needed in patients with polycystic kidney disease with nephrotic-range proteinuria, for appropriate treatment and prevention of renal failure.
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