SECTION 1: COMMON SYMPTOMS AND SIGNS: IMAGING APPROACH AND DIFFERENTIAL DIAGNOSIS

4 Imaging Anatomy and Overview

10 Abdominal Pain

16 Nausea and Vomiting

20 Diarrhea

24 Constipation

28 Gastrointestinal (GI) Bleeding

34 Jaundice

40 Abdominal Trauma

44 Abdominal Abscesses and Fistulas

46 Iatrogenic Injury: Feeding Tubes

48 Imaging of Bariatric Surgery

54 Imaging of Pregnant Patients

54 Postoperative and Postprocedure Bowel Imaging

SECTION 2: DISORDERS AFFECTING MULTIPLE ORGANS: IMAGING APPROACH

INFECTIOUS, INFLAMMATORY, AND DEGENERATIVE

60 HIV/AIDS

64 IgG4-Related Disease

66 Vasculitis

68 Eosinophilic Gastroenteritis and Esophagitis

69 Scleroderma and Related Disorders

70 Cystic Fibrosis

TRAUMA AND FOREIGN BODIES

72 Foreign Bodies

76 Barotrauma

NEOPLASMS

78 Leukemia and Lymphoma

80 Gastrointestinal Stromal Tumors (GIST)

82 Neuroendocrine Tumors

SECTION 3: ABDOMINAL WALL, MESENTERY, AND PERITONEAL CAVITY: IMAGING APPROACH AND DIFFERENTIAL DIAGNOSIS

90 Abdominal Wall, Mesentery, and Peritoneal Cavity: Imaging Approach and Differential Diagnosis Michael P. Federle, MD, FACR

INFECTIOUS, INFLAMMATORY, AND DEGENERATIVE

94 Peritonitis

96 Ascites

98 Omental Infarction

99 Inguinal Hernia

100 Femoral Hernia

101 Ventral Hernia

102 Umbilical Hernia

103 Obturator Hernia

104 Spigelian Hernia

105 Lumbar Hernia

106 Paraduodenal Hernia

108 Transmesenteric Hernia

110 Bochdalek Hernia

111 Morgagni Hernia

112 Mesenteritis

BENIGN NEOPLASMS AND TUMOR-LIKE CONDITIONS

114 Lymphangioma (Mesenteric Cyst)

116 Desmoid

MALIGNANT NEOPLASMS

118 Peritoneal Metastases and Lymphoma

120 Abdominal Mesothelioma

121 Pseudomyxoma Peritonei

SECTION 4: ESOPHAGUS: IMAGING APPROACH AND DIFFERENTIAL DIAGNOSIS

124 Esophagus: Imaging Approach and Differential Diagnosis

INFECTIOUS, INFLAMMATORY, AND DEGENERATIVE

128 Reflux Esophagitis

129 Barrett Esophagus

130 Caustic Esophagitis

131 Drug-Induced Esophagitis

132 Radiation Esophagitis

133 Esophageal Webs

134 Schatzki Ring

135 Cricopharyngeal Achalasia

136 Achalasia

138 Esophageal Motility Disturbances

140 Zenker Diverticulum

141 Pulsion Diverticulum

142 Traction Diverticulum

TRAUMA

143 Esophageal Perforation

144 Boerhaave Syndrome

TREATMENT RELATED

146 Esophagectomy: Ivor Lewis and Other Procedures

150 Fundoplication and Other Antireflux Procedures

BENIGN NEOPLASMS AND TUMOR-LIKE CONDITIONS

154 Intramural Mesenchymal Esophageal Tumors

155 Fibrovascular Polyp

MALIGNANT NEOPLASMS

156 Esophageal Carcinoma

157 Esophageal Metastases and Lymphoma

SECTION 5: STOMACH AND DUODENUM: IMAGING APPROACH AND DIFFERENTIAL DIAGNOSIS

160 Stomach and Duodenum: Imaging Approach and Differential Diagnosis Michael P. Federle, MD,

FACR EMBRYOLOGY AND ANOMALIES

166 Gastric Diverticulum

167 Duodenal Diverticulum

INFECTIOUS, INFLAMMATORY, AND DEGENERATIVE

168 Gastritis and Duodenitis

172 Duodenal Ulcer

173 Gastric Ulcer

174 Zollinger-Ellison Syndrome

175 Ménétrier Disease

176 Gastroparesis

177 Gastric Bezoar

178 Hiatal Hernia

180 Gastric Volvulus

TREATMENT RELATED

182 Partial Gastrectomy: Bilroth Procedures

BENIGN NEOPLASMS AND TUMOR-LIKE CONDITIONS

184 Gastric Polyps

186 Intramural Mesenchymal Gastric Tumors

MALIGNANT NEOPLASMS

188 Gastric Carcinoma

190 Gastric Metastases and Lymphoma

SECTION 6: SMALL INTESTINE: IMAGING APPROACH AND DIFFERENTIAL DIAGNOSIS

194 Small Intestine: Imaging Approach and Differential Diagnosis

EMBRYOLOGY AND ANOMALIES

198 Malrotation

199 Duplication Cyst

200 Meckel Diverticulum

INFECTIOUS, INFLAMMATORY, AND DEGENERATIVE

202 Small Bowel Diverticula

203 Mesenteric Adenitis and Enteritis

204 Opportunistic Intestinal Infections

206 Gallstone Ileus

208 Celiac Sprue Disease

210 Intest