COMPUTED TOMOGRAPHY VERSUS PLAIN RADIOGRAM IN EVALUATION OF RESIDUAL STONES AFTER PERCUTANEOUS NEPHROLITHOTOMY OR PYELONEPHROLITHOTOMY FOR COMPLEX MULTIPLE AND BRANCHED KIDNEY STONES | ||||
| Journal of the Egyptian Society of Parasitology | ||||
| Article 11, Volume 45, Issue 2, August 2015, Page 321-324 PDF (2.06 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jesp.2015.89909 | ||||
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| Authors | ||||
| MOHAMED WISHAHI; HOSSAM ELGANZOURY; AMR ELKHOULY; AHMED M. KAMAL; MOHAMED BADAWI; KHALID ESEAILY; SAMIR KOTB; MOHAMED MORSY | ||||
| Department of Urology, Theodor Bilharz Research Institute, Imbaba P.O. Box 30, Cairo, Egypt. | ||||
| Abstract | ||||
| This study compared the efficacy of computed tomography of the urinary tract (CT urography) versus plain X-ray of the urinary tract (KUB) in detection and evaluation of the significance of residual stone after percutaneous nephrolithotripsy (PCNL) or surgical pyelonephrolithotomy (SPNL) for complex branching or multiple stones in the kidney. A retrospective prospective archival cohort of 168 patients underwent PCNL or SPNL for large stag horn or multiple stones in the kidney were evaluated, they were 113 patients who underwent SPNL, and 55 patients underwent PCNL. In all patients they had KUB second day of the operation, those who had multiple kidney punctures in the PCNL procedure for multiple stones, or multiple nephrotomies in the SPNL procedure, or had a radiolucent stones had an additional imaging with CT urography. Indications for the CT urography were cases of radiolucent stones and multiple small calyceal stones detected pre-operatively. The study was conducted between March 2010 and December 2014, data were retrospectively analyzed. Preoperatively multiple or branching stones were diagnosed with intravenous urography and CT urography. Stone size and location were mapped pre-operatively on a real-size drawing, and three dimensional computed construction images in multiple planes. All patients were informed about the advantages, disadvantages and probable complications of both PCNL and SPNL before the selection of the procedure. Patients decided the type of the surgery type by themselves and written informed consent was obtained from all patients prior to the surgery. Patients were in two groups according to the patient`s preference of surgery type. Group 1 consisted of 113 patients who underwent SPNL and Group 2 consisted of 55 patients treated with PCNL. Detection of residual stones stone postoperatively using KUB and CT urography was evaluated in both groups. There was statistical significance between the two imaging methodology in detection of residual stones after PCNL and/or SPNL. CT urography detected stones of 2 mm and up to 5mm which was not visualized with KUB. CT urography was statistically significant and precise in detecting the radiolucent stones of uric acid, urate, and phostate stones which were not detected by KUB. | ||||
| Keywords | ||||
| Kidney stones; Percutaneous nephrolithtripsy; Pyelonephrolithotomy; residual stones; surgical procedures, operative; computed tomography; imaging | ||||
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