Researchers have not clearly described the clinical and pathogenetic features of hypoganglionosis and adult-onset Hirschsprung's disease, which cause pseudo-obstruction or intractable constipation. We conducted this study to explore these features of hypoganglionosis and adult-onset Hirschsprung's disease in Korean patients.
Department of Internal Medicine, Asan Digestive Disease Research Institute, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap, 2 dong, Songpa-gu, Seoul 138-736, Korea.