1;Foreword;5 2;Preface;7 3;Contents;9 4;Acute Abdomen;11 4.1;1 Acute Appendicitis and Appendiceal Mucocele;13 4.1.1;1.1 Introduction;13 4.1.2;1.2 Clinical Evaluation of Acute Appendicitis;13 4.1.3;1.3 Diagnostic Methods;13 4.1.4;1.4 Differential Diagnosis ;17 4.1.5;1.5 Mucocele of the Appendix;19 4.1.6;1.6 Conclusion;19 4.1.7;References;19 4.2;2 Mesenteric Lymphadenopathy;21 4.2.1;2.1 Introduction;21 4.2.2;2.2 Normal Mesenteric Lymph Nodes;21 4.2.3;2.3 Neoplastic Conditions;22 4.2.4;2.4 Inflammatory Conditions;24 4.2.5;2.5 Infectious Conditions;26 4.2.6;2.6 Primary Mesenteric Lymphadenitis;27 4.3;3 Acute Colonic Diverticulitis and Diverticulosis;29 4.3.1;3.1 Introduction;29 4.3.2;3.2 Diverticulosis;29 4.3.3;3.3 Diverticulitis;31 4.3.4;3.4 Conclusion;34 4.3.5;References;35 4.4;4 Intestinal Obstruction;37 4.4.1;4.1 Introduction;37 4.4.2;4.2 Pathology of Bowel Obstruction;37 4.4.3;4.3 Small Bowel Obstruction;38 4.4.4;4.4 Colon Obstruction;42 4.4.5;4.5 Paralytic Ileus;42 4.4.6;References;44 4.5;5 Abdominal Hernias, Volvulus and Intussusception;45 4.5.1;5.1 Abdominal Hernias;45 4.5.2;5.2 Small Bowel Volvulus;54 4.5.3;5.3 Gastric Volvulus;56 4.5.4;5.4 Caecal Volvulus;57 4.5.5;5.5 Intussusception;58 4.5.6;References;63 4.6;6 Ischemic Colitis;65 4.6.1;6.1 Introduction;65 4.6.2;6.2 Imaging Findings;65 4.6.3;6.3 Sonographic Findings;66 4.6.4;6.4 Computed Tomography Findings;66 4.6.5;References;68 5;Chronic Inflammatory Bowel Diseases;70 5.1;7 Crohn's Disease;71 5.1.1;7.1 Introduction;71 5.1.2;7.2 Pathological Features;71 5.1.3;7.3 Ultrasonographic Features of Bowel Walls;72 5.1.4;7.4 Abdominal Complications of Crohn's Disease;76 5.2;8 Ulcerative Colitis;83 5.2.1;8.1 Introduction;83 5.2.2;8.2 Clinical and Pathological Features;83 5.2.3;8.3 Ultrasonographic Features of Bowel Walls;85 5.2.4;8.4 Detection and Determination of Extension;88 5.2.5;8.5 Assessment of Disease Activity;88 5.2.6;8.6 Toxic Megacolon;89 5.2.7;8.7 Differential Diagnosis Between Ulcerative Colitis, Crohn's Disease and Other In. ammatory Diseases;89 5.2.8;References;90 6;Malabsorption;93 6.1;9 Coeliac Disease;95 6.1.1;9.1 Introduction;95 6.1.2;9.2 Abdominal Ultrasound in the Diagnosis of Coeliac Disease;95 6.1.3;9.3 Splanchnic Circulation in Coeliac Disease;99 6.1.4;9.4 Role of Ultrasonography in Diagnosing the Complications of Coeliac Disease;99 6.1.5;9.5 Gallbladder Motility and Gastric Emptying in Coeliac Disease: Ultrasonographic Studies;100 6.1.6;References;101 6.2;10 Lymphangiectasia, Whipple's Disease and Eosinophilic Enteritis;103 6.2.1;10.1 Primary Intestinal Lymphangiectasia;103 6.2.2;10.2 Whipple's Disease;104 6.2.3;10.3 Ultrasonography in the Diagnosis and Follow-Up of Eosinophilic Enteritis;105 6.2.4;References;106 7;Infections;109 7.1;11 Infectious Enteritis;111 7.1.1;11.1 Clinical Features;111 7.1.2;11.2 Infectious Enteritis and Colitis;112 7.1.3;11.3 Infectious Bacterial Ileocecitis;114 7.1.4;11.4 Neutropenic Enterocolitis;116 7.1.5;References;117 7.2;12 Intestinal Tuberculosis;119 7.2.1;12.1 Introduction;119 7.2.2;12.2 Pathology;119 7.2.3;12.3 Sonographic Findings of Intestinal Tuberculosis;119 7.2.4;12.4 Sonographic Findings of Tuberculous Peritonitis;122 7.2.5;12.5 Differential Diagnosis;123 7.2.6;References;124 7.3;13 Pseudomembranous Colitis;125 7.3.1;13.1 Introduction;125 7.3.2;13.2 Microbiology;126 7.3.3;13.3 Clinical Manifestations;126 7.3.4;13.4 Endoscopy;126 7.3.5;13.5 Imaging Study;126 7.3.6;References;129 7.4;14 Amoebic, Ascariasis and Other Parasitic and Infectious Enteritis;131 7.4.1;14.1 Amoebiasis;131 7.4.2;14.2 Ascariasis;132 7.4.3;14.3 Trichuriasis;134 7.4.4;14.4 Oesophagostomiasis;134 7.4.5;References;135 8;Neoplasm;137 8.1;15 Colorectal Cancer;139 8.1.1;15.1 Introduction;139 8.1.2;15.2 Pathology;139 8.1.3;15.3 Transabdominal Sonographic Technique;140 8.1.4;15.4 Transabdominal Sonographic Findings of Colon Cancer;140 8.1.5;15.5 Transrectal Sonography;141 8.1.6;References;144 8.2;16 Gastric Cancer;145 8.2.1;16.1 Introduction;145 8.2.2;1