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Sonographic presentation of Hirschsprung's disease. A case of an entirely aganglionic colon and ileum

Prenatal sonographic presentation of Hirschsprung's disease has been considered non‐specific and uncommon. This report presents a second‐trimester fetus with an aganglionic colon and ileum diagnosed by the sonographic presentation of dilated fetal bowel loops, increased abdominal circumference, and mild polyhydramnios. The prenatal sonographic diagnosis of Hirschsprung's disease helped to expedite early neonatal treatment.