2025-11-272025-11-27http://hdl.handle.net/2263/106423Clinical history : A 2 year old female with constipation and was diagnosed with megacolon with a barium enema.A biopsy of the rectal muscle layer had the absence of ganglion and hyperplasiaof the neurovascular bundle was seen.A colonostomy was done of the removed colon and it presented with an aganglionic segment.Diagnosis: Hirschsprung diseaseM659: Dilated colon with narrow/ short aganglionic segment