(1) Department of Gastroenterology, Fukuoka University Chikushi Hospital, Chikushino, Fukuoka, Japan   KeywordsIBDUlcerative colitisCrohn’s diseaseIntestinal cancerRisk 13.1 Ulcerative Colitis 13.1.1 Epidemiology Colorectal cancer (CRC) has long been a major clinical…

General clinical features Symptoms Chronic or nocturnal diarrhea Abdominal pain Weight loss Fever Rectal bleeding Signs Pallor Cachexia Abdominal mass or tenderness Perianal fissure Fistulae Abscess Specific clinical features according…

Fig. 4.1 Circumferential-shaped ulcers in ITB. (a) Deep transverse ulcer travels colonic lumen about half. (b) Wide transverse ulcer encircling colonic lumen. (c) Shallow circumferential ulcer encircling colonic lumen is…

Fig. 12.1 Enterocolic fistula (arrows) in Crohn’s disease Fig. 12.2 Enterocutaneous fistula in Crohn’s disease. (a) CT findings, (b) a skin photo Fig. 12.3 Enterovesical fistula in Crohn’s disease (arrow)…

Fig. 3.1 Algorithm for the diagnosis of intestinal Behçet’s disease (BD) based on the type of ileocolonic ulcerations and clinical manifestations (Adapted from Cheon et al. [4]). §Complete, incomplete, and…

Fig. 9.1 High-resolution endoscopy can observe detailed mucosal inflammation in patients with UC. Even though endoscopic remission is obtained, vessel pattern is not completely normal, and white scars are detected…

Disease Differential diagnosis Ischemic colitis Clinical symptoms, abrupt transition to normal mucosa with sparing rectum Radiation proctitis A history of exposure to radiation Lymphoma Clinical symptoms Vasculitis Clinical symptoms and…

Fig. 10.1 (a) Massive bleeding with ulceration is observed at the ileocolonic anastomosis of patients with Crohn’s disease, and (b) blood vessel is exposed (white arrow). (c) Endoscopic hemostasis was…

Fig. 7.1 A discrete esophageal ulcer in a patient with Crohn’s disease The incidence of gastric and duodenal CD varies greatly in series of patients with CD, ranging from 0.5…