This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Anatomy
Which of the following is an absolute indication for surgery in cases of benign prostatic hyperplasia - 
Select and explain. 
A. Bilateral hydroureteronephrosis, B. Nocturnal frequency, C. Recurrent urinary tract infection, D. Voiding bladder pressures > 50 cm of water
C: Recurrent urinary tract infection
Answer: C: Recurrent urinary tract infection 
Explanation: Absolute indications for surgical treatment of BPH 1) Refractory urine retention (failing at least one attempt at catheter removal 2) Recurrent UTI from BPH 3) Bladder stones d/t BPH 4) Renal insufficiency d/t BPH 5) Large bladder diveicula secondary to BPH 6) Recurrent gross hematuria from BPH Ref : Cambell's Urology 8/e p1340