Objective To discuss the necessity for routine placement of nephrostomytube after minimally invasive percutaneous nephrolithotomy(MPCNL) for renal calculi.
目的探讨微创经皮肾镜取石术（MPCNL）后常规放置肾造瘘管的必要性。
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Penal stones may be removed instrumentally via percutaneous nephrostomy or by irrigation through a tube placed directly into the kidney.