1. Introduction (S. Mazziotti, A. Blandino, G. Cicero)
2. Small bowel Imaging (C. Booz, S. Martin, I. Yel, T. J. Vogl)
2.1 X-ray and Fluoroscopy
2.2 Ultrasound
2.3 Computed Tomography
3. MR-Enterography: Technique (T. D''Angelo, S. Mazziotti, G. Ascenti, G. Cicero)
3.1 Enteric Contrast Agents
3.2 Patient''s Preparation and Positioning
3.3 Protocols and Sequences
3.3.1 Half-Fourier Acquisition
Single-Shot Turbo Spin Echo (HASTE)
3.3.2 Balanced Steady-State Free
Precession (Balanced SSFP)
3.3.3 Pre- and Post-contrast
T1-Weighted Ultrafast Gradient Echo
3.4 Spasmolytics
3.5 Intravenous Contrast Agent
3.6 Advanced MR Techniques
3.6.1 MR Fluoroscopy
3.6.2 Cine MR
3.6.3 Diffusion-Weighted Imaging
3.6.4 Perfusion (DCE-MRI)
3.6.5 Technical novelties and future perspectives
4 MR-Enterography: Anatomy (T. D''Angelo, S. Mazziotti, G. Ascenti, G. Cicero)
4.1 Normal MR Anatomy of Duodenum and Small Bowel
4.2 Normal MR Anatomy of Sphincters and Perianal Region
4.3 Anatomical changes after surgery: types of interventions and anastomosis
5 MR-Enterography intestinal findings in Crohn''s Disease (G. Cicero, S. Mazziotti, A. Blandino, T. D''Angelo)
5.1 Wall Thickening
5.2 Ulcerations
5.3 Increased Vascularity
5.4 Patterns of Wall Enhancement
5.5 Perienteric Inflammation
5.6 Reactive Adenopathy
5.7 Mesenteric Fibrofatty Proliferation
5.8 Penetrating and Stricturing
Patterns in CD
5.8.1 Penetrating Disease
5.8.2 Fibrostenosing Disease
6 Extraintestinal Complications in Crohn''s disease: MR-Enterography findings (T. D''Angelo, S. Mazziotti, A. Blandino, G. Cicero)
6.1 Hepatobiliary Complications
6.1.1 Primary Sclerosing Cholangitis
6.1.2 Gallstone Disease
6.1.3 Liver Abscess
6.1.4 Portal Vein Thrombosis
6.2 Pancreatic Complications
6.3 Genitourinary Complications
6.3.1 Ureteral Obstruction
6.3.2 Nephrolithiasis
6.3.3 Genitourinary Tract Fistulas
6.4 Musculoskeletal and Cutaneous Manifestations
6.5 Peritoneal Involvement
7 MR-Enterography beyond Crohn''s disease (G. Cicero, T. D''Angelo, G. Ascenti, S. Mazziotti)
7.1. Congenital anomalies
7.2 Inflammatory conditions
7.3 Benign and Malignant lesions
8. Pitfalls in MRE (T. D''Angelo, S. Mazziotti, G. Ascenti, G. Cicero)
9 MRI of the anal region in Crohn''s disease (S. Mazziotti, G. Cicero, A. Blandino, T. D''Angelo)
9.1 Classification of fistulas
9.2 Technique
9.3 Perianal findings in Crohn''s disease
9.4 MRI of the anal canal beyond Crohn''s disease
10. Structured reporting (C. Booz, S. Martin, I. Yel, T. J. Vogl)
10.1 MR-Enterography
10.2 Perianal MRI
11. Clinical Cases
11.1. 25 MR-Enterography clinical cases
11.2 5 MRI perianal involvement cases
