To make decision about nephrectomy in case of hydronephrosis the required conclusive investigation is: Surgical To make decision about nephrectomy in case of hydronephrosis the required conclusive investigation is: A. Planned urogramm B. I/v pieloraphy C. Renal dynamic scintigraphy D. Residual nitrogen test E. Cystoscopy Answer: C. Renal dynamic scintigraphy Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+