A traditional colonoscopy uses a device called a colonoscope to look inside the colon and rectum. A virtual colonoscopy is an alternative test that uses a CT scanner instead of a colonoscope. This may ...

Acute Colonic Pseudo-Obstruction (ACPO), also known as Ogilvie's Syndrome, is a clinical condition characterised by a sudden, marked dilation of the colon in the absence of any mechanical blockage.