After anus atresiaTags: Gastrointestinal sonography, Abdomen sonography, Esaote MyLab 70, Video, Clinical report, Pediatric Posts 19:55 20-09-2016 After anus atresia#1 Baby 6 months old according to parents words after surgery for atresia of the anus. Child aims to the control US. At US in the hypogastrium there is a dilated gut (more than 6 cm in diameter), presumably Hirschsprung's disease. external link :: attachments(1) :::: file 1 :: HTML5 video plugin not supported!