A child presents with abdominal colic and hematuria on ultrasonography a stone 2.5 cm in diameter is seen in the renal pelvis. The next step in management of this case is :
(A) Pyelolithotomy (B) Nephroureterostomy (C) Conservative (D) ESWL
(D) Although there are many methods of renal stone removal, the best is ESWL (extracorporeal shock-wave lithrotripsy].
A conservative approach is chosen only when the stone is upto 0.5 or 0.6 cm.