Navigation of the Pelvic Floor in Bladder Exstrophy Using Pre-operative MRI

Inclusion criteria

• . Age 0-7 years
• . Diagnosis of classic bladder exstrophy
• . Scheduled to undergo bladder exstrophy closure by the principal investigator at Johns Hopkins Hospital's Broadway campus.
• . All eligible participants will be children whose parents or legally authorized representatives have already agreed and are being scheduled for osteotomy and bladder exstrophy closure as determined by their pediatric urologist.
• . Parent or legally authorized representative who is, in the opinion of the investigator, reliable and willing to make themselves and patient available for the duration of the study.
• . Parent or legally authorized representative is able to complete and sign the informed consent document.
• . Patient judged by the investigator to have bladders of sufficient size and elasticity to be suitable for immediate closure as evidenced by the PI's assessment of the patient's bladder template \[16\].
• . Patient with cardiopulmonary function sufficient to tolerate general anesthesia as evidenced by the pediatrician's and anesthesiologists assessment of the patient's overall cardio-pulmonary status.

Exclusion criteria