Newborn with cystic abdominal mass on prenatal US Pediatric Imaging Gastrointestinal March 13, 2019July 16, 2019 Transverse (above) and sagittal (below) US of the abdomen shows a cystic abdominal mass with an echogenic central rim. The diagnosis was ileal duplication. Related Published March 13, 2019July 16, 2019