Changes

===Diagnostic Imaging===

===Diagnostic Imaging===

Plain radiographs should be taken of the

 

abdomen and pelvis, with subsequent contrast studies

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.

and ultrasound examination if required.

 

 

Colonoscopy may be necessary to rule out obstructive masses in the large intestinal wall or lumen.

===Pathology===

===Pathology===