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: Radiology
The investigation of choice for Renal Scarring defect in Kidney is – 
Select and explain. 
A. DMSA scan, B. DTPA scan, C. DEXA scan, D. MCU
A: DMSA scan
Answer: A: DMSA scan 
Explanation: Renal scarring (e.g. in reflex nephropathy) is best assessed by Tc-99-D11ISA scintigraphy which is static renal scintigraphy for assessment of structure of kidney.