Ubrig B, Boenig M, Waldner M, Roth S. Transurethral approach to the distal ureter in nephroureterectomy: transurethral extraction vs. "pluck" technique with long-term follow-up. Eur Urol. 2004;46:741-7 pubmed
..Bladder tumor recurrence rate was in the range reported for classic nephroureterectomy. No extravesical tumor recurrence in the former ureteral bed or on the scar of the resected ureteral orifice occurred. ..
Ubrig B, Roth S. Modified laparoscopic radical nephroureterectomy with transurethralexcision of intramural ureter. Urology. 2005;65:786-8 pubmed
..A modified lithotomy position allows simultaneous laparoscopic and transurethral access without repositioning. Contraindications are juxtavesical or intramural ureteral tumor. ..