MARK A. LOVELL, MDProfessor of Pathology, Children's Hospital Colorado, Aurora, CO Presentation Summary Presentation Video Loading video... Rate This Presentation: Select ratingGive Hirschsprung Disease: Pathogenesis & Preoperative Diagnosis 1/5Give Hirschsprung Disease: Pathogenesis & Preoperative Diagnosis 2/5Give Hirschsprung Disease: Pathogenesis & Preoperative Diagnosis 3/5Give Hirschsprung Disease: Pathogenesis & Preoperative Diagnosis 4/5Give Hirschsprung Disease: Pathogenesis & Preoperative Diagnosis 5/5Your rating: None5Average: 5 (2 votes)Rate THP Source: Issues in Hirschsprung Disease Webinars