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[A method for retroperitoneoscopy in surgery on the the organs of the retroperitoneal space].

828 patients were operated on the retroperitoneal organs since 1985 using a retroperitoneoscope. A total of 836 surgical interventions were performed. A cut of 3.0-3.5 cm long was made to revise the kidney and ureter, retroperitoneal part of the colon, tail of the pancreas, retroperitoneal vessels and lymph nodes via lumbocostal and inguinal approaches. A new intercostal (ribs X-XI) approach is proposed. Most of the patients had urolithiasis, pyoinflammatory lesions, renal cysts, varicocele, obstructive uropathies. Complications developed in 1.7% of cases. Retroperitoneoscopy is a method of choice in diagnosis and treatment of retroperitoneal diseases.