A case of the "cellular variant" of focal segmental glomerulosclerosis with acute renal failure that remitted completely with oral steroid administration

CEN Case Reports
Gaku KonnoShinya Kawamoto

Abstract

A 73-year-old man with systemic edema and oliguria, which appeared within several days, was referred to our hospital. Urinalysis showed massive proteinuria, and the blood examination results indicated nephrotic syndrome. Renal biopsy revealed the existence of focal segmental glomerulosclerosis (FSGS), and further investigation indicated that the microscopic features were consistent with the "cellular variant (CELL)" according to the Columbia Classification. After biopsy, 40 mg per day of oral prednisolone was administered daily. With steroid therapy, the abnormal values of the blood examination and urinalysis gradually reached normal, and complete remission was achieved on day 43 after initiating steroid administration. Microscopic investigation by follow-up renal re-biopsy revealed several sclerosing glomeruli; however, other intact glomeruli had no endothelial proliferation, which is a hallmark of CELL. The patient was discharged after biopsy and observed as an outpatient, with maintenance of clinical remission.

References

Jan 30, 2004·American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation·Vivette D D'AgatiJ Charles Jennette
Oct 6, 2006·Kidney International·M B StokesV D D'Agati
Nov 27, 2010·Pediatric Nephrology : Journal of the International Pediatric Nephrology Association·Rasheed GbadegesinMichelle Winn
Mar 23, 2011·International Urology and Nephrology·Sekiko TanedaMichio Nagata

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