Ileocecal Valve Syndrome also called the great mimicker as this syndrome is often overlooked in the medical profession. I was surprised to learn how many symptoms were associated with the ileocecal valve (ICV) challenge so thought you all would like to know about it too. The ileocecal valve, (pronounced ill-e-o-see-cal), is a one-way valve (when healthy) that separates the small intestine from the large intestine preventing backflow of the large intestinal contents into the small intestine. The valve is located in the lower right quadrant just above the front of the hip bone. The ileocecal valve is also known as Bauhin’s valve, Ileocolic valve, McBurney’s Point and Valvula coli.