[Principles of diagnosis of parenchymal and calyceal kidney cancer].

Aim: To analyze features of kidney cancer diagnosis aimed at determination of invasion grade and suitable surgical approach.

Material And Methods: The study was carried out at the clinical bases of Urology Department of the Azerbaijan Medical University. There were 170 patients with kidney cancer for the period 2006-2016 (93 (54.

Laparoscopic transperitoneal and retroperitoneal simple nephrectomy: The impact of etiological factors of the results of surgical treatment.

Objective: This retrospective study compares the perioperative outcomes of laparoscopic simple nephrectomy (LSN) in patients with urinary stone disease (USD) in comparison with LSNs performed for other etiological factors.

Material And Methods: 115 LSNs were identified from the two teaching hospitals' database. Depending on the etiological factors, patients were stratified in 2 groups.