Figure 1.
The 8.5/12 F rigid nephroscope and 18 F rigid nephroscope (designed by Li Xun, Richard Wolf, German).
Figure 2.
Sigle-tract minimally invasive percutaneous nephrolithotomy and retrograde intrarenal surgery were performed simultaneously in Galdakao-modified supine Valdivia (GMSV) position by two urological groups.
Table 1.
Demographic and clinical preoperative characteristics of patients.
Table 2.
operative characteristics and stone composition of patients.
Table 3.
Serum creatinine, GFR of 18 patients and CKD stage of all patients before and after operation.