5 years old child presented with generalised edema and ascites there was no hypertension or hematuria Renal function tests were normal . Urinalysis revealed massive proteinuria . Most probable diagnosis is: (A) Membranous glomerulonephritis, (B) Post - streptococcal glomerulonephritis, (C) IgA nephropathy, (D) Minimal Change disease
Answer is D. All the above features suggest Nephrotic syndrome Most common cause is Minimal Change disease.