Fig. 1
From: Adult Hirschsprung’s disease presenting as chronic constipation: a case report
A Abdominal plain radiograph. This figure revealed that the air distribution in the colon and small intestine is increased with coiled spring appearance. There was neither stepladder appearance nor subdiaphragmatic free air. B–F Contrast enema study radiograph. The study showed that the sigmoid colon was dilated and the rectum was narrowed, with rectosigmoid index less than 1 and irregular rectosigmoid mucosa