This book offers up-to-date coverage of the full range of topics in coloproctology: anatomy, physiology, anal disorders, dermatology, functional disorders, inflammatory bowel disease, endometriosis, appendicitis, benign and malignant tumors, presacral tumors, laparoscopy, endoscopy, perioperative management, intestinal failure, abdominal wall reconstruction, emergencies, and pain syndromes. Each of the chapters on individual disorders provides a comprehensive overview on etiology, incidence, epidemiology, diagnostics, medical and surgical treatment, access, complications, and special considerations. In presenting data, care is always taken to refer to the best available level of evidence.