Pyloric Stenosis, Infantile Hypertrophic, 5, also known as ihps5, is related to pyloric stenosis, infantile hypertrophic, 1 and hypertrophic pyloric stenosis. An important gene associated with Pyloric Stenosis, Infantile Hypertrophic, 5 is IHPS5 (Pyloric Stenosis, Infantile Hypertrophic, 5).