Glomerular Disorder of Unknown Etiology in a Child with Unusual Course

A 3-year-old girl was presented with periorbital edema, hypertension, proteinuria, and hematuria, She recovered clinically after 9 days with normal urinalysis . During the follow-up, she developed recurrent episodes of nephrotic syndrome. The kidney biopsy revealed mild mesangial proliferation and a low dose of prednisolone could effectively control the disease.