Ureteroscopic biopsy of upper tract urothelial carcinoma: improved diagnostic accuracy and histopathological considerations using a multi-biopsy approach.

Purpose: We assessed the diagnostic accuracy of a ureteroscopic multi-biopsy approach to upper tract urothelial carcinoma compared with subsequently resected surgical specimens.

Materials And Methods: From 1990 to 1998, 45 upper tract lesions were ureteroscopically evaluated and biopsied with 3Fr cup forceps and/or an 11.5Fr resectoscope before nephroureterectomy or ureterectomy.

Hand-assisted laparoscopic donor nephrectomy versus standard laparoscopic donor nephrectomy: a comparison study in the canine model.

The aim of this study was to compare live donor nephrectomy by hand-assisted laparoscopy to standard laparoscopy in a canine model. Fourteen dogs underwent a left laparoscopic nephrectomy; a standard laparoscopic nephrectomy technique was utilized in seven dogs. In a second group of seven dogs, a hand-assisted laparoscopic technique was used with a Dexterity Pneumo Sleeve hand port.