case_images: PMC3424501_01
case_images: Preoperative axial (a) and coronal (b) noncontract CTKUB films.
case_images: CRIM2012-164963.001.jpg
case_images: PMC3424501_01_CRIM2012-164963.001.jpg
case_images: fig1
case_images: A 61-year-old male was referred in order to receive treatment of a left renal stone (Figure 1).
case_images: Retrograde pyelography (a) and advancing puncture wire to the skin (b).
case_images: CRIM2012-164963.002.jpg
case_images: PMC3424501_01_CRIM2012-164963.002.jpg
case_images: fig2
case_images: The target calyx to the skin was checked using ultrasonography before puncturing, to avoid puncturing the surrounding organs. The Lawson retrograde nephrostomy puncture wire (Cook Urological, Bloomington, IN, USA) was set with URS and advanced to the target calyx and advanced to the skin under fluoroscopic guidance (Figure 2).
case_images: Initial puncture spot at skin is too dorsally.
case_images: CRIM2012-164963.003.jpg
case_images: PMC3424501_01_CRIM2012-164963.003.jpg
case_images: fig3
case_images: The puncture wire passed through the renal capsule easily and then tented the skin at the posterior axillary line (Figure 3).