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: Pathology
Cylindrical dilatation of renal tubules is seen in - 
Select and explain. 
A. Polycystic disease of kidney, B. Medullary cystic disease, C. Wilms tumour, D. Lipoid nephrosis
A: Polycystic disease of kidney
Answer: A: Polycystic disease of kidney 
Explanation: None