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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about Hirschsprug&;s disease
assistant
The correct answer is  Hirschsprung&;s disease : congenital absence of ganglion cells in the submucosal and myentric plexus of distal intestine Rectal biopsy is goldstandard in diagnosing disease. in barium enema,the narrow aganglionic bowel with dilated proximal bowel is seen Symptoms:failure to pass meconium in first 48 hours of life,vomiting,constipation,poor feeding,abdominal distension Ref : ESSENTIAL PEDIATRICS,O.P.GHAI,PG NO:256, 7th edition