1. Introduction -- 2. Ileocolonoscopy -- UC -- CD -- Endoscopic Indices -- Differential diagnosis -- Intestinal BD -- Intestinal tuberculosis -- Infectious colitis -- Ischemic colitis -- Microscopic colitis -- Radiation proctitis -- Vasculitis -- Lymphoma -- Drug-induced colitis -- Miscellaneous conditions -- 3. Small bowel endoscopy -- Small bowel enteroscopy -- CE -- 4. EGD -- 5. Radiology -- CT -- MRI -- USG -- SBS, BE -- 6. New modalities -- HRE -- NBI, AFI -- Confocal endomicroscopy -- OCT -- 7. Extraintestinal manifestations -- Skin -- Oral mucosa -- Eye -- Joints -- 8. Complications -- Fistulae -- Perianal lesions -- Abscess -- Stenosis -- Colorectal cancer, DALM -- Small bowel cancer -- 9. Surgery -- Surgical findings -- Types of surgery -- Stomy.