This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Michaelis Gutmann bodies are seen in - 
Select and explain. 
A. Xanthogranulomatous pyelonephritis, B. Malakoplakia, C. Nail patella syndrome, D. none of these
B: Malakoplakia
Answer: B: Malakoplakia 
Explanation: Robbins basic pathology 6th edition. chapter The lower urinary tract. page no. 1002. answer is Malacoplakia. laminated mineralized concretions known as michaelis gutmann bodies are typically present both within macrophages and between cells. It is a vesical inflammatory reaction characterised macroscopically by soft,yellow,,slightly raised mucosal plagues 3 to 4 cm in diameter.