Related Conditions and Treatments Search Start typing a name and the list will filter Conditions Treatments Bladder Exstrophy and Epispadias Condition Bladder exstrophy is a rare birth defect involving the urinary, reproductive, and intestinal tracts, as well as the musculoskeletal system. Learn more about Bladder Exstrophy and Epispadias Cloacal Exstrophy Condition Cloacal exstrophy, also known as OEIS syndrome, occurs when a portion of the large intestine lies outside of the body. Learn more about Cloacal Exstrophy