[Ano-rectal achalasia of ultra-short segments in Hirschsprung disease].
D001003:Anal Canal / Q000601:surgery*; D002675:Child, Preschool; D004931:Esophageal Achalasia / Q000601:surgery; D006801:Humans; D008297:Male; D008531:Megacolon / Q000601:surgery*; D008722:Methods; D012007:Rectum / Q000601:surgery*
Achalasie ano-rectale des segments ultra-courts de la maladie de Hirschsprung.