FIELD: medicine. SUBSTANCE: method involves carrying out diagnostic and therapeutic videolaparoscopy. 5-6 cm long oblique incision is drawn along the left costal arch from the boundary of the left musculus directus abdomini towards anterior axillary line 3 cm below the twelfth rib edge. Retroperitoneoscope bayonet is introduced into the produced incision in perpendicular to the incision line and in parallel to anterior spleen boundary lifting and displacing upwards costal arches boundary. Retroperitoneoscope bayonet groove is positioned above the visceral surface of the spleen and its blood vessels. Spleen arteries and veins are ligated when splenectomy is needed. Its section and removal from the abdominal cavity is carried out piece-by-piece through the retroperitoneoscope bayonet groove. EFFECT: enhanced effectiveness of treatment; reduced risk of traumatic complications. 2 cl, 1 dwg
