Surgery DTPA scan of hypeensive young lady is normal, USG shows small kidney on left side. Next investigation will be ? A CT Scan abdomen B Retrograde pyelogram C Digital subtraction angiography D DMSA 💡 Explanation DTPA scan of hypeensive young lady is normal, USG shows small kidney on left side. Next investigation will be ? ✓ Correct Answer: C. Digital subtraction angiography