Washington--Long-term experience with bladder augmentation in children is now giving pediatric urologists and parents a true picture of the risks and benefits of different bowel segments. No single segment was the obvious winner in two experimental studies presented here at the American Academy of Pediatrics Section on Urology annual meeting, but the maintenance and surveillance required has become clearer. Other than technical considerations, metabolic, rather than urodynamic considerations, may prove more important in deciding which segment to use.