title: Appendiceal orifice inflammation and ulcerative proctitis.
authors.affiliation: Pediatric Gastroenterology, Indiana University School of Medicine, James Whitcomb Riley Hospital for Children, Indianapolis, Indiana, USA.
authors.forename: Marian D
authors.initials: MD
authors.lastname: Pfefferkorn
mesh_terms: D000293:Adolescent; D001064:Appendicitis / Q000150:complications* / Q000175:diagnosis* / Q000473:pathology; D016099:Endoscopy, Gastrointestinal; D005260:Female; D006801:Humans; D011349:Proctitis / Q000150:complications* / Q000175:diagnosis* / Q000473:pathology; D011860:Radiography, Abdominal