A. Transillumination and finger depression of the abdominal wall confirm juxtaposition of the inflated stomach and the anterior abdominal wall. B. The site selected will generally be approximately halfway between costal margin and umbilicus.
Patient position and trocar sites for pediatric laparoscopic splenectomy. Note that the patient is in the lateral position, and the operating table has been flexed to increase the distance between costal margin and superior iliac crest.
Patient positioned in 45-degree rotation. Table is further rotated to attain true lateral position, and the patient is flexed downward at the waist to open the space between costal margin and pelvis.