Changes

===Diagnostic Imaging===

===Diagnostic Imaging===

Plain radiographs should be taken of the abdomen and pelvis in an attempt to confirm megacolon and to investigate underlying causes. The enlarged, faces-filled colon is easily seen on these x-rays. Subsequent contrast studies or abdominal ultrasound may help identify an underlying cause, such as mural or obstructive masses.

Plain radiographs should be taken of the abdomen and pelvis in an attempt to confirm megacolon and to investigate underlying causes. The enlarged, faeces-filled colon is easily seen on these x-rays. Subsequent contrast studies or abdominal ultrasound may help identify an underlying cause, such as mural or obstructive masses.

===Endoscopy===

===Endoscopy===