This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
A 6 yr child presents with recurrent episodes of gross hematuria for 2 yrs. He is likely to have: 
Select and explain. 
A. IgA nephropathy, B. Wilm's tumour, C. Henoch Schonlein Purpura (HSP), D. Neuroblastoma
A: IgA nephropathy
Answer: A: IgA nephropathy 
Explanation: Answer is A (IgA Nephropathy) : Recurrent episodes of painless gross haematuria represent the classic clinical presentation of IgA nephropathy. Recurrent episodes of gross haematuria Recurrent Gross Haematuria should be distinguished from isolated episodes of gross hematuria, as it is a charachteristic feature of some specific disorders