CT-Scan showing a coronal section of the abdomen of an elderly lady with an IPO. The symptoms of IPO are nonspecific. It is not unusual for patients to present repeatedly and to undergo numerous tests. Mechanical causes of<unk><unk>  must be excluded to reach a diagnosis of<unk><unk> . Attempts must also be made to determine whether the IPO is the result of a primary or secondary condition. A diagnostic work-up may include: * Gastric motility studies * Imaging studies: * CT-Scan showing a Cross-section of the abdomen of an elderly lady with an IPO.X-rays - may show<unk>  air fluid levels (seen with true mechanical<unk><unk>  * CT scans * Barium enema * Blood tests * Upper and lower endoscopies * Manometry - used to measure pressure of esophagus and stomach
Intestinal pseudo-obstruction
Ovarian cyst
Distal intestinal obstruction syndrome
Crohn's disease
Vesicointestinal fistula
Bowel obstruction
Gastrojejunocolic fistula
Neoplasm