Ogilvie syndrome, also known as acute colonic pseudo-obstruction, is a rare condition where the colon becomes enlarged without any physical obstruction. This leads to severe distension and potential complications such as perforation. While there are no exact synonyms for Ogilvie syndrome, it can be described as a type of colonic dilatation or pseudo-obstruction. Other medical terms that may be associated with Ogilvie syndrome include colonic ileus, toxic megacolon, and Hirschsprung's disease. Common causes of Ogilvie syndrome include medication side effects, neurological disorders, and postoperative complications. Treatment options include decompression and supportive care, as well as addressing any underlying medical conditions.